Sales, Gillian. <br/><br/>
Ultrasonic communication by animals / 
Gillian Sales, David Pye. 
 - London :  Chapman and Hall,  [1974]. 
 - x, 281 p. :  ill. 
<br/><br/><label>ISBN: </label>041211920X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal sounds.<br/>Ultrasonics.<br/>Behavior, Animal.<br/>Animal communication.<br/>Animal communication.<br/>Ultrasonics in biology.