TY  - BOOK
AU  - Hediger,Heini
TI  - The psychology and behaviour of animals in zoos and circuses,
SN  - 0486622185
AV  - QL785 .H366 1968
U1  - 591.5 
PY  - 1968///]
CY  - New York
PB  - Dover Publications
KW  - Zoo animals
KW  - Behavior
KW  - Circus animals
N1  - Translation of Skizzen zu einer Tierpsychologie im Zoo und im Zirkus; Bibliography: p. 155-159
ER  -