Grzimek's encyclopedia of ecology / 
editor-in-chief, Bernhard Grzimek. 
 - New York :  Van Nostrand Reinhold,  1976. 
 - 705 p. :  ill. (some col.). 
<br/><br/><label>ISBN: </label>0442229488 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Encyclopedias.<br/>Ecology.