Emlen, John Merritt. <br/><br/>
Ecology: an evolutionary approach 
J. Merritt Emlen. 
 - Reading, Mass.,  Addison-Wesley Pub. Co.  1973 
 - xiv, 493 p.  ill. ;  25 cm. 
 - Addison-Wesley series in life sciences .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0201018942 (hbk. ) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>LC Class. No.: </label>QH541 EML