D W Ewer <br/><br/>
Ecological biology 2 :   the inter-relations of organisms. 

 - Londres :  Longman Group Ltd  c1981 
 - 	526 p.   ill. 
<br/><br/> Includes bibliographic references and index 
<br/><br/><label>ISBN: </label>0582606489 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>LC Class. No.: </label>QH541  / .E23 1981 VOL.2