Clarke, George L. <br/><br/>
Elements of ecology / 
George L. Clarke. 
 - New York :  John Wiley and Sons,  1954. 
 - xiv, 560 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes  bibliographical references. 
<br/><br/><label>ISBN: </label>[   ] (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Biology.