TY  - BOOK
AU  - Sales, Gillian
AU  - Pye, David
TI  - Ultrasonic Communication by Animals
SN  - 41211920X
U1  - 591.59 
PY  - 1974///
CY  - London
PB  - Chapman and Hall
KW  - Pure Sciences
KW  - Zoological sciences
KW  - Animal communication
ER  -