TY  - BOOK
AU  - Williams,George C.
TI  - Sex and evolution
SN  - 0691081476
U1  - 575 
PY  - 1975///
CY  - Princeton
PB  - The University Press
KW  - Evolution (Biology)
KW  - Sex (Biology)
N1  - Includes index; Bibliography: p. 170-193
ER  -