TY  - BOOK
AU  - International Symposium of the American association for the advancement of science(1968
AU  - Esser, Aristide H., ed.
TI  - Behavior and environment: The use of space by animals and men:Proceedings
U1  - 156.06 
PY  - 1971///
CY  - New York
PB  - Plenum Press
ER  -