Homosexuality, which homosexuality? :  International scientific conference on gay and lesbian studies : December 15-18 1987, Free University Amsterdam : Program / 
Research Group Gay and lesbian Studies of the Interdisciplinary Centre for the Study of Science, Society and Religion of Free University Amsterdam ; Jhr. mr. J.A. Schorer Foundation. 
 - Amsterdam :  Drukkerij Hacquebard,  stampa 1987 
 - 35 p. ;  21 cm.