TY  - BOOK
AU  - Trivers,Robert
TI  - Social evolution
SN  - 080538507x
U1  - 591.5 
PY  - 1985///
CY  - Menlo Park, Calif
PB  - Benjamin/Cummings
KW  - Social behavior in animals
KW  - Behavior evolution
KW  - Social evolution
N1  - Includes bibliographies and index
ER  -