CLEMENTS, Frederic E. WEAVER, John E. <br/><br/>
PLANT ECOLOGY 

 - 2nd Ed. 
 - New Delhi  Tata McGraw-Hill Pub. Co. Ltd., New Delhi   1980 
<br/><br/><label>ISBN: </label>0 07 099664 4 
<br/><br/><label>Dewey Class. No.: </label>581.7  / WEA/PL