TY  - BOOK
AU  - Walker,Stephen
TI  - Animal learning: an introduction 
SN  - 0710204825 :
AV  - QL785 .W1438 1987
PY  - 1987///
CY  - London, New York
PB  - Routledge & Kegan Paul
KW  - Learning in animals
N1  - "Published in the USA ... in association with Methuen Inc."--Verso of t.p; Includes indexes
ER  -