Bakshi, D. N. Guha <br/><br/>
A text book of environmental science 

 - Calcutta  Calcutta book house  2000 
 - 244p. 
<br/><br/> Includes bibliography 
<br/><br/><label>ISBN: </label> Rs.130 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science
<br/><br/><label>Dewey Class. No.: </label>333.7  / BAK