TY  - BOOK
AU  - Halliday,Tim
AU  - Slater,P.J.B.
TI  - Causes and effects
SN  - 0716715791 (pbk.)
U1  - 591.51 23
PY  - 1983///
CY  - Oxford
PB  - Blackwell Scientific
KW  - Animal behavior
KW  - Comportamiento animal
N1  - Bibliography: p. 197-220
ER  -