De,Anil Kumar <br/><br/>
Environmental studies / 
De,Anil Kumar. 
 - New Delhi:  New age,  2001. 
 - xiii,209p;23cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8122412939 
<br/><br/><label>Dewey Class. No.: </label>375.0083 DE