De, Anil Kumar <br/><br/>
Environmental studies / 
Anil Kumar De, Arnab Kumar De. 
 - New Delhi :  New age International,  c2001 
 - xiii, 209p. ;  22x14cm. 
<br/><br/> Includes appendices and index 
<br/><br/><label>ISBN: </label>81-224-1293-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECOLOGY
<br/><br/><label>Dewey Class. No.: </label>574.5  / DE-ENV