Ambasht,R S <br/><br/>
A Textbok of Plant Ecology 

 - 14th 
 - New Dehli  CbS Publishers  2002 
 - xii,427 
<br/><br/><label>ISBN: </label>81-239-864-4 
<br/><br/><label>Dewey Class. No.: </label>581.7 A461TT 2002