TY  - BOOK
AU  - Thorpe, W.H.
TI  - Bird-song: biology of  vocal communication and expression in birds
T2  - CAMBRIDGE MONOGRAPHS IN EXPERIMENTAL BIOLOGY No.;12
U1  - 574 
PY  - 1961///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Biology
KW  - Birds -- Vocal Communication
KW  - Birds
ER  -