Clarke, George L. <br/><br/>
Elements of ecology / 
George L. Clarke. 
 - New York :   John Wiley,   ©1954. 
 - xiv, 560 p. :  ill. ;   23 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography : p.505-522. 
<br/><br/>392  392 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>Dewey Class. No.: </label>574.5 / C55e