Emlen , J Merritt <br/><br/>
Ecology  Evolutionary approach 

 - Massachusetts  addison Wesley publishing company  1973 
 - xiv, 493 p.; 24cm 
<br/><br/><label>ISBN: </label>201018942 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Balance of nature<br/>Bionomics<br/>Ecology<br/>Environment