@book{Bieber, author = {Bieber, Irving}, title = {Homosexuality. A Psychoanalytic Study of Male Homosexuals. New York (Vintage) 1962.}, language = {en} } @book{Bieber, author = {Bieber, Irving}, title = {Cognitive Psychoanalysis. New York (Aronson) 1980.}, language = {en} }