Chhatwal, Rajni Johar <br/><br/>
Environmental Sciences: a systematic approach 
Rajni Johar Chhatwa 
 - 1st rev. 
 - New Delhi  UDH Pub.  2009 
 - xx, 308 
<br/><br/><label>ISBN: </label>818504466x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Sciences
<br/><br/><label>Dewey Class. No.: </label>574.5  / CHH P9