TRIVEDI,P R <br/><br/>
ENCYCLOPAEDIA OF WORLD ENVIRONMENT. VOL.I TO V 

 - NEW DELHI  APH Publishing Corporation  2002 
 - vi+311p.,21X14Cms. 
<br/><br/><label>ISBN: </label>81-7648-040-1 
<br/><br/><label>Dewey Class. No.: </label>628.03 T841