TY  - BOOK
AU  - Tinbergen,Niko
TI  - Social behaviour in animals with special reference to vertebrates
T2  - Science paperbacks, 1
AV  - QL775 .T55 1956
PY  - 1956///
CY  - London, New York
PB  - Methuen & Co. LTD, John Wiley & Sons, 
KW  - Social behavior in animals
KW  - Vertebrates
KW  - Behavior
N1  - Includes bibliographical references (p. 140-145)
ER  -