Grzimek's Encyclopedia of ecology / 
editor-in-chief, Bernhard Grzimek. 
 - New York :  Van Nostrand Reinhold Co.,  c1976. 
 - 705 p. :  ill. (some col.) ;  25 cm. 
<br/><br/>Includes bibliographical references ( p. 683-686 ) and index. 
<br/><br/><label>ISBN: </label>0442229488 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Encyclopedias.
<br/><br/><label>LC Class. No.: </label>QH540.4  / G79 1976