Emlen, Merritt J. <br/><br/>
Ecology: an evolution approach 

 - Reading  Addison-Wesley Publishing Company  1973 
 - xvi,493p.  25cm. 
<br/><br/><label>ISBN: </label>0-201-01894-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>LC Class. No.: </label>QH541.E43