Sales, Gillian <br/><br/>
Ultrasonic communication by animals 
Gillian Sales, David Pye 
 - London  Chapman & Hall  1974 
 - x, 281 p. : ill. ; 24 cm. 
<br/><br/>Bibliography: p. 235-269. 
<br/><br/><label>ISBN: </label>041211920X 
<br/><br/><label>LCCN: </label>73-015213 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal communication<br/>Animal sounds<br/>Ultrasonics in biology