TY  - BOOK
AU  - Diamond, Jared
TI  - Why is sex fun ? : the evolution of human sexuality
SN  - 9780465031269
U1  - 613.88 
PY  - 1997///
CY  - U.S.A.
PB  - Basic books
KW  - BIOLOGY
KW  - SEX CUSTOMS
ER  -