Verma, V  . <br/><br/>
Textbook  of plant ecology /  
by V Verma. 
 - 4th rev ed /  
 - Delhi :   Emkay Publications ,   1981 
 - 340p ;  
<br/><br/><label>ISBN: </label>81-85712-23-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant ecology
<br/><br/><label>Dewey Class. No.: </label>I:5  / M8