Ricklefs, Robert E. <br/><br/>
The economy of nature :  a textbook in basic ecology / 
Robert E. Ricklefs. 
 - 2nd ed. 
 - New York :  Chiron Press,  c1983. 
 - ix, 510 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0913462098(hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.