Allee, Warder Clyde. <br/><br/>
Principles of animal ecology 

 - Philadelphia :  Saunder Company,  1949 
 - 832 p.  : ilus. ; gráfs. 
<br/><br/><label>LCCN: </label>60916 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología animal.
<br/><br/><label>Dewey Class. No.: </label>591.5  / A55