Ricklefs, Robert E <br/><br/>
Economy of nature  a textbook in basic ecology 

 - 4th ed. 
 - New York  W.H. Freeman and co.  1996 
 - ix,678p.  PB  25 cm. 
<br/><br/> includes glossaries and index 
<br/><br/><label>ISBN: </label>9780716728153 
<br/><br/><label>Dewey Class. No.: </label>577RIC  / _