TY  - BOOK
AU  - Symons,Donald
TI  - The evolution of human sexuality
SN  - 0195025350 :
U1  - 136.11 
PY  - 1979///
CY  - New York
PB  - Oxford University Press
KW  - Sex (Psychology)
KW  - Sex differences (Psychology)
KW  - Genetic psychology
N1  - Includes bibliographical references and index
ER  -