TY  - BOOK
AU  - Sales,Gillian
AU  - Pye,David
TI  - Ultrasonic communication by animals
U1  - 591.59 
PY  - 1974///
CY  - London
PB  - Chapman and Hall
KW  - Animal communication
KW  - Animal sounds
KW  - Ultrasonics in biology
KW  - Animal behavior
N1  - A Halsted Press book; Bibliography: p. 235-269
ER  -