R.S.SHUKLA,P.S.CHANDEL <br/><br/>
A Textbook of Plant Ecology 

 - RAM NAGAR,NEW DELHI  S.CHAND &COMPANY LTD  2008 
 - 544 
<br/><br/><label>ISBN: </label>81-219-0548-6 
<br/><br/><label>Dewey Class. No.: </label>581.7