TY  - BOOK
AU  - Tinbergen,Niko
ED  - Time-Life Books.
TI  - Animal behavior
T2  - Life nature library
AV  - QL751 .T54 1980
U1  - 591.51 19
PY  - 1980///
CY  - Virginia
PB  - Time-Life Books
N1  - Bibliography: p. 193
ER  -