TY  - BOOK
AU  - Hausberger, Martine
AU  - Snowdon, Charles T
TI  - Social influences on vocal development
SN  - 9780521017978
U1  - 591.59 SNO 
PY  - 2005///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Birdsongs
KW  - Language acquisition
KW  - Sound production by animals
N1  - Includes index
ER  -