1. A simple transducer for measuring penile erection, with comments on its use in the treatment of sexual disorders;Bancroft;Behaviour Research and Therapy,1966
2. An exploration of somatic response patterns, stimulus and sexual differences;Davis;Journal of Comparative and Physiological Psychology,1957
3. Cycle of penile erection synchronous with dreaming (REM) sleep;Fisher;Archives of General Psychiatry,1965
4. Diagnostika homosexuality u muů;Freund;Československá Psychiatrie,1957
5. Laboratory differential diagnosis of homo- and heterosexuality—an experiment with faking;Freund;Review of Czechoslovac Medicine,1961