TY  - BOOK
AU  - Alcock, John,
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : an evolutionary approach 
SN  - 0878930205 :
SN  - 2
PY  - 1989///];copyright 198946
CY  - Sunderland, MA
PB  - Sinauer Associates
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Evolution
KW  - Animal behavior
N1  - Includes index; Bibliography: p. [553]-586; 5
ER  -