Clarke, George L. <br/><br/>
Elements of ecology / 
George L. Clarke. 
 - New York ; London :  Jhon Wiley & Sons ,  c1954 [printing 1963] 
 - Xiv ,  ill. ;  22 cm 
<br/><br/>Includes Bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>Dewey Class. No.: </label>577  / CLE 1963