1. Bayer R (1981) Homosexuality and american psychiatry. Basic Books, New York
2. Bell A (1975) Research on homosexuality: Back to the drawing board. Arch Sex Behav 4:121–132
3. Bell A, Weinberg M (1978) Homosexualities: A study of diversity among men and women. Simon & Schuster, New York
4. Bell A, Weinberg M, Hammersmith S (1981) Sexual preference: Its development in men and women. Indiana Univ Press, Bloomington
5. Bergler E. (1951) Neurotic counterfeit-sex. Grune & Stratton, New York