TY  - BOOK
AU  - Etkin,William
TI  - Social behavior and organization among vertebrates
U1  - 591.51 
PY  - 1964///
CY  - Chicago
PB  - University of Chicago Press
KW  - Science
KW  - Life Sciences
KW  - Zoology
KW  - General
KW  - Animal behavior
KW  - Social behavior in animals
N1  - Includes bibliographies
ER  -