TY  - BOOK
AU  - Hinde R A
TI  - Bird vocalizations; their relations to current problems in biology and psychology
U1  - 598.1594 
PY  - 1969///
CY  - London
PB  - Cambridge University Press
KW  - Birds
KW  - Birdsongs
KW  - Vocalization
N1  - Essays presented to W H Thorpe
ER  -