Pianka E R <br/><br/>
Evolutionary Ecology 

 -  1974 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>50615 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment
<br/><br/><label>Dewey Class. No.: </label>G:55, L4;L8;2