Kochhar, P. L. <br/><br/>
Plant ecology / 
by P. L. Kochhar  
 - 12th ed. 
 - New Delhi :  Ratan Prakashan Mandir ,  1983 . 
 - 218 p.  Hard Back 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Climatic factors<br/>Ecosystem<br/>Environmental pollution
<br/><br/><label>Dewey Class. No.: </label>581.7  / KOC-P