Krebs,Charles J. <br/><br/>
ECOLOGY. 

 - XX,695PG.:  ILL.'picture,  25.5cm 
 - Ecology. .
<br/><br/> Include Bibliography and Index. 
<br/><br/><label>ISBN: </label>0-321-04289-1 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>LC Class. No.: </label>577.8