Ricklefs, Robert E. <br/><br/>
The economy of nature :  a textbook in basic ecology / 

 - Portland, Or. :  Chiron Press,  c1976. 
 - v, 455 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0913462047 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>Dewey Class. No.: </label>574 CHI 1976 A026  Or.