TY  - BOOK
AU  - 
TI  - Elements of ethology: a textbook for agricultural and veterinary students
U1  - 636 
PY  - 1983///
CY  - London, New York
PB  - Chapman and Hall
KW  - Domestic animals
KW  - Behavior
KW  - Animal behavior
N1  - Includes indexes
ER  -