TY  - BOOK
T1  - Cooperation among animals :an evolutionary perspective /
DA  - 1997.
CY  - New York :
AU  - Dugatkin, Lee Alan,
CN  - QL751
CN  - QL751
PB  - Oxford University Press,
PP  - New York :
PY  - 1997.
ID  - 195316
KW  - Animal behavior.
KW  - Cooperativeness.
SN  - 019508621X (alk. paper)
SN  - 0195086228
TI  - Cooperation among animals :an evolutionary perspective /
ER  -