De, Anil Kumar <br/><br/>
Environmental Studies / 
by Anil Kumar De and Arnab Kumar De. 
 - 2nd rev. ed. 
 - New Delhi :  New Age International (P) Ltd,   1991. 
 - xv, 247p. : 23cm 
<br/><br/>Includes Bibliography 
<br/><br/><label>ISBN: </label>9788122416046 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Studies
<br/><br/><label>Dewey Class. No.: </label>628  / DE/E