TY  - BOOK
AU  - Denny Ray M ed.
TI  - Comparative psychology: an evolutionary analysis of animal behavior 
SN  - 0471709301
U1  - 150 
PY  - 1980///
CY  - New York
PB  - Wiley
KW  - General psychology
N1  - Includes indexes; Bibliography: p. 436-473
ER  -