Grzimek's Encyclopedia of ethology / 
editor-in-chief, Bernhard Grzimek. 
 - New York :  Van Nostrand Reinhold Co.,  c1977. 
 - xx, 705 p. :  ill. (some col.) ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 681-684. 
<br/><br/><label>ISBN: </label>0442229461 
<br/><br/><label>LCCN: </label>76009298 //r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal behavior.
<br/><br/><label>LC Class. No.: </label>QL751  / .G8945 
<br/><br/><label>Dewey Class. No.: </label>591.5