TY  - BOOK
AU  - Timbergen,Nikolaas
TI  - The study of instinct
SN  - 0195013719
PY  - 1969///
CY  - New York
PB  - Oxford University Press, 
KW  - Instinct
KW  - Animal behavior
N1  - Reprint of 1951 ed. published by Clarendon Press, Oxford; With a new introduction; Bibliography: p. 211-221
ER  -