AMBASHT , R .S <br/><br/>
A TEXTBOOK OF PLANT ECOLOGY 

 - 14th ED 
 - NEW DELHI  CBS PUB  2002 
 - xii 427P 
<br/><br/><label>ISBN: </label>81-239-0864-4 
<br/><br/><label>Dewey Class. No.: </label>581.7