Ricklefs, Robert E. <br/><br/>
The economy of nature :  a texbook in basic ecology / 
Robert E. Ricklefs 
 - NY :  Chiron Press,  1976 
 - v. 455 p. :  ill. ;  24 cm. 
<br/><br/>Includes Indexes 
<br/><br/><label>ISBN: </label>0913462047 
<br/><br/><label>LCCN: </label>75-018263 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology