Ricklefs, Robert E. <br/><br/>
The economy of nature :  a textbook in basic ecology / 
Robert E . Ricklefs. 
 - 3rd ed. 
 - New York :  W.H. Freeman,   c1993. 
 - ix, 576 p. :  ill. (some col.) ;   26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>071672409X 
<br/><br/><label>LCCN: </label>92-039616 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>Dewey Class. No.: </label>577