Wilhelm Reich

About Wilhelm Reich

Wilhelm Reich (1897-1957) was an Austrian-American psychiatrist, psychoanalyst, and biophysicist whose work on the relationship between sexual repression, muscular tension, and disease led him from the mainstream of Freudian psychoanalysis into territory so radical that it provoked the destruction of his books by the United States government — the last official book burning in American history.

Reich was born on March 24, 1897, in Dobrzcynica, a village in the Austro-Hungarian province of Galicia (now Dobrianychi, Ukraine). His family was German-speaking Jewish, assimilated and prosperous — his father Leon ran a cattle farm. Reich's childhood was marked by two devastating events that shaped his later obsession with sexual repression and its consequences. At age twelve, he discovered his mother's affair with his tutor and reported it to his father. His mother committed suicide shortly afterward, in 1910, by drinking household cleaning fluid. His father, described by Reich as emotionally shattered, developed a pattern of standing in freezing ponds — possibly a deliberate attempt to contract pneumonia — and died of tuberculosis in 1914. Reich was fourteen when his mother died, seventeen when he lost his father. He ran the family farm alone for a year before the advancing Russian army destroyed it in 1915.

Reich served in the Austrian army during World War I, reaching the rank of lieutenant on the Italian front. After the war, he enrolled at the University of Vienna's medical school, completing his MD in 1922. He encountered Sigmund Freud's work as a first-year medical student and joined the Vienna Psychoanalytic Society in 1920, at age twenty-three — the youngest member in its history. Freud recognized Reich's talent and referred patients to him while he was still a student, an extraordinary endorsement. By 1924, Reich was directing the Vienna Psychoanalytic Society's technical seminar, the training program for young analysts, and was widely considered Freud's most brilliant protege.

Reich's early psychoanalytic work focused on what he called the 'actual neuroses' — the physical, somatic manifestations of psychological conflict. While Freud had moved away from his original hypothesis that neurosis had a sexual-energetic basis (the 'actual neurosis' theory of the 1890s), Reich pushed it further. He argued that neurosis was not merely a psychological condition treatable through talk therapy but a full-body disorder rooted in the chronic inhibition of sexual energy. His 1927 book Die Funktion des Orgasmus (The Function of the Orgasm) proposed that the capacity for complete orgastic surrender — what he called 'orgastic potency' — was the key indicator of psychological health. Individuals who could not fully surrender to the involuntary convulsive movements of orgasm were, in Reich's view, damming up biological energy that then manifested as anxiety, muscular rigidity, and eventually organic disease.

This theory brought Reich into conflict with Freud, who by the late 1920s had abandoned the libido-as-physical-energy model in favor of a structural psychology (id, ego, superego) that treated libido as a metaphorical rather than literal force. Reich insisted that libido was real, measurable, and physical — a position that Freud found embarrassingly literal. The break between them deepened through the early 1930s, compounded by Reich's increasingly militant Marxist political activism. Reich had joined the Austrian Communist Party and established Sex-Pol clinics in Vienna and later Berlin, combining psychoanalytic treatment with sex education, contraception distribution, and political organizing. He believed that sexual repression was the mechanism through which authoritarian political structures maintained control over populations, and that sexual liberation was therefore a revolutionary act.

Reich's 1933 book Massenpsychologie des Faschismus (The Mass Psychology of Fascism) argued that fascism was not merely a political phenomenon but a character structure — that the authoritarian personality was produced by the suppression of natural sexual impulses in childhood, creating individuals who craved domination, feared freedom, and channeled their blocked sexual energy into aggression, mysticism, and submission to authority. The book was banned by the Nazis (who also burned it) and got Reich expelled from the German Communist Party, which considered his sexual politics a bourgeois distraction from class struggle. By 1934, he had also been expelled from the International Psychoanalytic Association, making him a pariah in both psychoanalysis and Marxism.

Reich emigrated to Scandinavia in 1934 (Norway, then Sweden) and began the biological research that would occupy the rest of his life. He claimed to have discovered a form of biological energy he called 'orgone' — a universal life force present in all living organisms, in the atmosphere, and in cosmic radiation. Through microscopic observation, he reported seeing what he called 'bions' — vesicles of orgone energy that formed spontaneously from the disintegration of organic and inorganic matter and that he considered transitional forms between non-living and living matter. Norwegian scientists who attempted to replicate his bion experiments reported negative results, and a press campaign in Oslo accused Reich of quackery. He emigrated to the United States in 1939, settling first in New York and then, in 1942, in Rangeley, Maine, where he established Orgonon, his laboratory and home.

In Maine, Reich developed the orgone energy accumulator — a box-shaped device constructed of alternating layers of organic material (wood, cotton) and metallic material (steel wool, sheet metal), which he claimed concentrated atmospheric orgone energy inside the enclosure. He reported that sitting in the accumulator produced measurable increases in body temperature, subjective sensations of warmth and tingling, and therapeutic effects on conditions ranging from anxiety to cancer. He also developed the 'cloudbuster,' a device consisting of long metal tubes pointed at the sky and grounded in water, which he claimed could influence weather patterns by manipulating orgone energy in the atmosphere. He conducted cloudbusting operations in Maine and Arizona, claiming to produce rain in drought conditions.

Reich's orgone theories attracted the attention of the U.S. Food and Drug Administration, which in 1954 obtained a federal injunction ordering the destruction of all orgone accumulators and the banning of all publications mentioning orgone energy from interstate commerce. Reich refused to appear in court, arguing that a scientific question could not be adjudicated by a legal proceeding. His associate Dr. Michael Silvert violated the injunction by transporting accumulators across state lines, and Reich was charged with contempt of court. On August 23, 1956, FDA agents supervised the destruction of orgone accumulators at Orgonon and the burning of Reich's publications — including books that mentioned orgone only in passing — at the Gansevoort Street incinerator in New York City. Six tons of his publications, journals, and research papers were destroyed. Reich was sentenced to two years in federal prison. He died in Lewisburg Federal Penitentiary on November 3, 1957, of heart failure, at age sixty.

Contributions

Reich's contributions fall into three phases: his psychoanalytic work (1920-1934), his biophysical research (1934-1950), and his cosmic orgone engineering (1950-1957). The first phase is universally acknowledged as significant; the second is debated; the third is rejected by mainstream science but retains adherents.

Character Analysis (1933/1945) introduced the concept that psychological defenses manifest as chronic muscular tensions organized into a coherent 'character armor.' Reich identified seven segments of armoring — ocular, oral, cervical, thoracic, diaphragmatic, abdominal, and pelvic — each corresponding to specific emotional contents and developmental periods. The rigid jaw holds back crying and screaming; the contracted chest inhibits grief and longing; the locked pelvis suppresses sexual feeling and aggression. These insights transformed psychotherapy by introducing the body as a primary therapeutic medium. Before Reich, analysis occurred entirely through language. After Reich, a practitioner could read a patient's history in the configuration of their muscles.

Vegetotherapy — the therapeutic technique Reich developed to dissolve character armor — worked systematically from the ocular segment downward, using directed breathing, physical manipulation, and the evocation of repressed emotions to release chronically contracted muscles. As armor dissolved, patients reported not only psychological relief but waves of pleasurable sensation that Reich identified as the movement of orgone energy through previously blocked channels. The technique was direct, physical, and often dramatic: patients screamed, wept, raged, and trembled as decades of suppressed emotion found expression. This approach — which broke every convention of classical psychoanalysis — became the foundation for all subsequent body-oriented psychotherapies.

The Mass Psychology of Fascism (1933) argued that authoritarian political movements succeed not because of economic conditions alone but because populations are psychologically prepared for submission through the systematic suppression of natural impulses — primarily sexual — in childhood. The patriarchal family, compulsory sexual morality, and religious guilt create what Reich called the 'emotional plague' — a mass character structure that fears freedom, craves authority, and channels blocked energy into sadism, mysticism, and mechanical obedience. This analysis anticipated Hannah Arendt's work on the banality of evil and the Frankfurt School's research on the authoritarian personality (F-scale studies), and it remains a provocative framework for understanding why populations periodically surrender their freedom to strongmen.

Reich's orgone energy research (1935-1957), whatever its ultimate scientific status, produced several lines of investigation that continue to generate interest. His bion experiments — in which he reported observing transitional forms between non-living and living matter arising from the disintegration of organic material — anticipated aspects of the contemporary astrobiology debate about the boundary between chemistry and biology. His orgone accumulator, while rejected by the FDA and mainstream medicine, has been studied by a small number of researchers who report anomalous temperature effects and biological responses in controlled settings. His weather modification work with the cloudbuster, dismissed as pseudoscience by meteorologists, has been taken up by practitioners in several countries who claim operational results. None of these claims have achieved scientific consensus, but the questions they raise — about the nature of biological energy, the boundary between living and non-living matter, and the possibility of subtle environmental manipulation — remain open in ways that simplistic dismissal fails to address.

Reich's influence on the sexual revolution of the 1960s was substantial. His insistence that sexual repression was the root of neurosis, that the body's natural impulses were healthy rather than sinful, and that social institutions maintained control through the regulation of sexual behavior directly influenced the generation that would challenge sexual norms, advocate for reproductive rights, and redefine the relationship between sexuality and morality. Herbert Marcuse's Eros and Civilization, Norman Mailer's The White Negro, and the broader counterculture's embrace of sexual liberation all drew on Reichian ideas.

Works

Reich's published works span psychoanalysis, sociology, biology, and physics, reflecting the extraordinary range of his intellectual ambition.

The Function of the Orgasm (1927, expanded 1942) is Reich's foundational text, tracing the development of his theory from Freud's libido concept through the discovery of the orgasm reflex to the hypothesis of orgone energy. The first edition, published in German, was a clinical study of the relationship between sexual function and neurosis. The expanded English edition added the orgone energy framework and Reich's account of his break with Freud.

Character Analysis (1933, 3rd edition 1945) is Reich's most influential clinical work and the text that founded somatic psychotherapy. It introduces the concepts of character armor, muscular armor, and the seven armoring segments, along with the technique of vegetotherapy for dissolving chronic muscular tension. The third edition added material on orgone biophysics and the emotional plague.

The Mass Psychology of Fascism (1933, revised 1946) analyzes the psychological basis of fascism, arguing that authoritarian character structure — produced by sexual repression in childhood — creates populations susceptible to fascist manipulation. The book was burned by the Nazis and later by the FDA, making it one of the few books in history to be destroyed by both a fascist and a democratic government.

The Sexual Revolution (1936) applies Reich's framework to social and political questions: marriage, family structure, adolescent sexuality, and the relationship between sexual freedom and social organization. The book influenced the 1960s sexual liberation movement and remains controversial for its claims about childhood sexuality.

The Cancer Biopathy (1948) presents Reich's orgone-based theory of cancer, arguing that cancer is the result of chronic orgone energy stagnation and emotional resignation. He reported therapeutic results with orgone accumulator treatment, though these claims have not been confirmed by conventional oncology research.

The Bion Experiments (1938) documents Reich's microscopic observations of what he claimed were transitional forms between non-living and living matter. The experiments were controversial when published in Norway and remain disputed.

Ether, God and Devil / Cosmic Superimposition (1949/1951) represents Reich's most speculative work, extending orgone theory to cosmology and arguing that the spiral forms visible in galaxies, hurricanes, and living organisms reflect the fundamental movement of cosmic orgone energy.

Contact with Space (1957), written during Reich's final years, documents his claimed observations of UFOs (which he interpreted as orgone-powered craft) and his cloudbusting operations aimed at what he described as a 'DOR emergency' (deadly orgone energy) threatening Earth. This work is generally considered evidence of Reich's deteriorating mental state, though UFO researchers have engaged with it on its own terms.

Controversies

Reich's life is saturated with controversy at every level — scientific, political, personal, and legal — making him the most contentious figure in twentieth-century psychology.

The scientific status of orgone energy remains the central controversy. Mainstream physics recognizes no such energy; mainstream biology does not confirm the existence of bions; and the claimed therapeutic effects of the orgone accumulator have not been replicated in controlled studies published in peer-reviewed journals. Critics argue that Reich's orgone research represents the gradual deterioration of a brilliant mind into grandiose delusion — a pattern sometimes attributed to undiagnosed bipolar disorder or the psychological effects of persecution and isolation. Sympathizers argue that Reich's methods were ahead of available instrumentation, that replication attempts were inadequate, and that the scientific establishment's hostility prevented fair evaluation. The truth may be that Reich's clinical insights about the body were genuine and revolutionary while his biophysical theories about orgone extended beyond what his evidence supported — but the FDA's response (book burning and imprisonment) was so extreme that it created a martyrdom narrative that makes dispassionate evaluation difficult.

Reich's personal life involved patterns that biographers have documented with varying degrees of sympathy. He was married three times — to Annie Pink (a fellow analyst), Elsa Lindenberg (a dancer), and Ilse Ollendorff (who later wrote a revealing memoir). Multiple collaborators and former students described him as brilliant but increasingly authoritarian, demanding absolute loyalty and interpreting disagreement as evidence of 'emotional plague' in the dissenter. His later years in Maine were marked by isolation, grandiosity, and what some associates described as paranoia — though the FDA's actual surveillance and eventual prosecution suggest that his fears of persecution were not entirely unfounded.

The FDA prosecution (1954-1957) raises questions that transcend Reich's specific claims. The injunction prohibited not only the sale of orgone accumulators but also the distribution of any publication that mentioned orgone energy — an extraordinary restriction on scientific speech. The subsequent book burning at Gansevoort Street, where FDA agents supervised the incineration of Reich's books, journals, and research papers, was the last official book burning in American history. Whether one considers orgone energy real or imaginary, the government's response — criminalizing a scientific claim rather than refuting it through counter-evidence — set a precedent that concerns advocates of scientific freedom and medical liberty. The American Civil Liberties Union notably did not intervene on Reich's behalf, a decision that some civil libertarians have retrospectively criticized.

Reich's early political activism — his attempt to synthesize Marxism and psychoanalysis through the Sex-Pol movement — generated controversy from both sides. The Communist Party expelled him for subordinating class analysis to sexual politics; the psychoanalytic establishment expelled him for subordinating clinical practice to political activism. His position — that psychological liberation and political liberation are inseparable, that you cannot free a society without freeing the bodies of its citizens — was too radical for either camp. Whether this position was visionary or reductive depends on one's assessment of the relative importance of economic, psychological, and somatic factors in human liberation.

The use of Reichian concepts by the sexual revolution generated its own controversies. Reich's insistence on the primacy of genital sexuality and his dismissal of homosexuality, masturbation, and non-genital sexuality as expressions of armor rather than legitimate orientations is rejected by contemporary sexology and was criticized even in his time. His framework, while revolutionary in its insistence that sexual repression causes illness, was itself sexually normative in ways that subsequent body-oriented therapists have had to correct.

Notable Quotes

'The pleasure of living and the pleasure of the orgasm are identical. Extreme orgasm anxiety forms the basis of the general fear of life.' — from The Function of the Orgasm, on the identity of sexual and vital energy

'Only the liberation of the natural capacity for love in human beings can master their sadistic destructiveness.' — from The Mass Psychology of Fascism

'Love, work, and knowledge are the wellsprings of our life. They should also govern it.' — the motto of the Orgone Institute, inscribed at Orgonon

'It is the fate of great truths to be attacked, then considered self-evident, and then forgotten.' — attributed to Reich, reflecting on the reception of his work

'The character structure of modern man, who reproduces a six-thousand-year-old patriarchal authoritarian culture, is typified by characterological armoring against his inner nature and against the social misery which surrounds him.' — from The Mass Psychology of Fascism

'You think the end justifies the means, however vile. I tell you: the end is the means by which you achieve it. Today's step is tomorrow's life.' — from Listen, Little Man!

'The few who are placed in a position of authority over the many take on the character of the suppressor and maintain their position with the help of the emotionally diseased character structures that they themselves have produced.' — from The Mass Psychology of Fascism

'What you people call freedom is nothing but the freedom to do as you please. And that, in turn, is nothing but an effort to get rid of the pain of your armor.' — from Listen, Little Man!

Legacy

Reich's legacy divides cleanly between two domains: his indisputable influence on psychotherapy and body-oriented healing, and the unresolved question of his biophysical claims.

The somatic psychotherapy tradition is Reich's most enduring legacy. Alexander Lowen, who studied with Reich in the 1940s and 1950s, developed Bioenergetic Analysis — a systematic body-psychotherapy method that translates Reich's character armor concept into structured exercises and therapeutic techniques. John Pierrakos, another Reich student, created Core Energetics, integrating Reichian body-work with spiritual development. Ida Rolf, though not a direct student, acknowledged Reich's influence on her development of Structural Integration (Rolfing), which addresses chronic muscular patterns through deep tissue manipulation. Stanley Keleman's Formative Psychology, Peter Levine's Somatic Experiencing (the leading trauma therapy method), Pat Ogden's Sensorimotor Psychotherapy, and Bessel van der Kolk's trauma-informed body therapy all trace intellectual lineage to Reich's insight that the body stores and expresses psychological history.

The trauma therapy revolution of the late twentieth and early twenty-first centuries — exemplified by van der Kolk's bestselling The Body Keeps the Score (2014) — is essentially a vindication of Reich's core clinical insight: that traumatic experience is stored in the body's muscular patterns, nervous system responses, and energetic configurations, and that effective treatment must address the body directly rather than working exclusively through verbal processing. Van der Kolk does not cite Reich frequently, but the conceptual debt is clear to anyone familiar with both bodies of work.

Reich's political analysis retains influence in critical theory, sociology, and the study of authoritarianism. His framework for understanding how social control operates through the regulation of bodily experience — through sexual morality, physical discipline, and the suppression of spontaneous emotional expression — anticipated Foucault's biopower concept by decades. Contemporary researchers studying the psychological dimensions of authoritarian movements, cult dynamics, and fundamentalist communities continue to draw on Reichian analysis of the emotional plague.

The orgone energy tradition persists through a small but active network of researchers, therapists, and practitioners. The American College of Orgonomy, founded by Reich's associate Elsworth Baker, continues to train physicians in orgone therapy. James DeMeo's Orgone Biophysical Research Laboratory conducts ongoing research into orgone accumulator effects and cloudbusting. The Wilhelm Reich Museum at Orgonon in Rangeley, Maine — housed in Reich's former laboratory, which he designed himself — maintains his archives and hosts annual conferences.

Reich's persecution by the FDA has become a touchstone in debates about medical freedom and government regulation of health claims. The book burning — regardless of what one thinks about orgone — remains a stain on American intellectual freedom. His case is cited by advocates of alternative medicine, opponents of pharmaceutical industry influence on regulation, and defenders of the right to investigate heterodox scientific claims without criminal prosecution.

The broader question Reich's life poses — whether a brilliant clinical observer can generate genuine therapeutic insights while simultaneously constructing an unfalsifiable theoretical framework around them — is not unique to Reich but is thrown into sharp relief by his story. His character armor concept works therapeutically whether or not orgone energy exists. His analysis of authoritarianism illuminates political behavior whether or not bions are real. The challenge his legacy presents is the challenge of disaggregating genuine insight from possible delusion — a challenge that the FDA's book burning ensured would never receive a fair scientific hearing.

Significance

Reich's significance operates on two distinct levels that critics and admirers often conflate: his contributions to psychotherapy, somatic psychology, and the understanding of the body-mind relationship (which are substantial and widely acknowledged even by those who reject his later work), and his orgone energy theories and weather modification claims (which remain outside scientific consensus and are dismissed by mainstream physics and biology).

The concept of 'character armor' — Reich's term for the chronic patterns of muscular tension that develop as defenses against emotional experience — transformed psychotherapy. Before Reich, psychoanalysis was exclusively verbal: the patient lay on a couch and talked while the analyst listened and interpreted. Reich noticed that patients' bodies told a different story than their words. A patient might describe feeling relaxed while his jaw was clenched, his shoulders raised, and his breathing shallow. These physical patterns were not random but organized into coherent 'character structures' that reflected the person's history of emotional suppression. The rigid jaw held back crying; the tight shoulders contained rage; the locked pelvis inhibited sexual feeling. By identifying and directly addressing these muscular patterns — through breathing exercises, physical manipulation, and the encouragement of emotional expression — Reich discovered that he could access repressed material far more quickly than through verbal analysis alone.

This insight — that psychological defenses are simultaneously physical defenses, that the body and the psyche are functionally identical — gave rise to the entire field of somatic psychotherapy. Alexander Lowen's Bioenergetic Analysis, John Pierrakos's Core Energetics, Ida Rolf's Structural Integration (Rolfing), Stanley Keleman's Formative Psychology, and Peter Levine's Somatic Experiencing all descend directly from Reich's character-analytic vegetotherapy. The body-oriented psychotherapy tradition that now includes dozens of recognized modalities can be traced to Reich's clinical observations in Vienna in the late 1920s.

Reich's analysis of the relationship between sexual repression and authoritarianism in The Mass Psychology of Fascism (1933) anticipated much of what the Frankfurt School (Adorno, Marcuse, Fromm) would later elaborate. His argument that fascism was not merely a political ideology but a character structure — produced by the systematic suppression of natural impulses in childhood, creating individuals who feared freedom, craved authority, and channeled blocked energy into aggression and mystical nationalism — remains relevant to contemporary analysis of authoritarian movements. Herbert Marcuse's Eros and Civilization (1955) explicitly built on Reich's framework, and Michel Foucault's work on the relationship between power and sexuality owes a conceptual debt to Reich's analysis of how social control operates through the regulation of bodily experience.

The biofield science community recognizes Reich as a precursor whose concept of orgone energy — whatever its ultimate scientific status — anticipated contemporary research on bioelectromagnetic fields, biophoton emission, and the energetic dimensions of biological systems. His insistence that living organisms generate and are sustained by a measurable energy field connects to traditions of subtle energy described in Ayurveda (prana), Traditional Chinese Medicine (qi), and Tibetan medicine (lung). Whether orgone is real, whether it is identical to these traditional concepts of life energy, and whether Reich's methods for detecting and concentrating it were valid are questions that remain open — not because mainstream science has accepted orgone, but because the broader question of whether biological systems generate fields beyond those currently recognized by physics is an active area of investigation.

The destruction of Reich's work by the U.S. government — the burning of his books, the imprisonment that led to his death — constitutes the most dramatic case of scientific persecution in American history. Whether one considers Reich a genius whose work was suppressed by a threatened establishment or a brilliant man who lost his way in grandiose delusions, the government's response — book burning, injunction against publication, criminal prosecution for a scientific claim — was indefensible by any standard of intellectual freedom. The case remains a reference point in debates about medical freedom, government overreach in regulating health claims, and the boundaries of permissible scientific inquiry.

Connections

Reich's work connects to multiple traditions and practice areas in the Satyori Library, bridging psychoanalysis, somatic healing, energy medicine, and the politics of human liberation.

The biofield science section explores the contemporary investigation of subtle energy fields around living organisms — research that Reich's orgone hypothesis anticipated by decades. Current research on biophoton emission (Fritz-Albert Popp), bioelectromagnetic fields (Robert O. Becker), and the Global Consciousness Project's random event generator network investigates phenomena that resemble, at least structurally, Reich's claims about orgone energy. Whether these phenomena validate Reich's specific claims or merely share a family resemblance is debated, but the research tradition owes a conceptual debt to Reich's insistence that life involves energetic processes not fully captured by biochemistry.

Ayurveda describes prana as the vital force that sustains biological function and whose blockage produces disease — a framework that parallels Reich's orgone theory in its broadest outlines. The Ayurvedic concept of ama (accumulated toxins from incomplete digestion) as the root of disease mirrors Reich's concept of stagnant orgone (DOR — deadly orgone) as the energetic basis of pathology. Both systems emphasize that health requires the free flow of vital energy through the body, and that physical and psychological symptoms arise from blockage or stagnation. Reich knew nothing of Ayurveda, but the structural parallels suggest either convergent discovery or a common underlying reality.

The somatic psychotherapy tradition that descended from Reich connects to yoga through their shared recognition that psychological states are inseparable from physical patterns. Reich's character armor maps onto the yoga tradition's concept of samskaras — habitual patterns stored in the body that condition perception and behavior. His vegetotherapy technique of using breathing and physical exercises to release armored segments parallels pranayama and the yogic understanding that breath is the primary interface between voluntary and involuntary nervous system function.

Reich's analysis of authoritarianism connects to the broader Satyori framework's concern with freedom and its obstacles. His argument that social control operates through the body — that the suppression of natural impulses creates individuals who cannot tolerate freedom and actively seek domination — parallels the liberation psychology tradition and with contemplative traditions that identify attachment (upadana in Buddhism, abhinivesha in yoga) as the root of suffering. The political dimension of somatic liberation — the recognition that freeing the body from chronic tension is simultaneously a political act — connects to the engaged spirituality tradition.

Reich's persecution by the U.S. government connects to the broader history of suppressed science and heterodox research documented across the Satyori Library, including the consciousness research tradition's struggle for legitimacy within mainstream science.

Further Reading