Santra, S. C. <br/><br/>
Environmental science / 
[by] S.C.Santra 
 - 2nd ed. 
 - Kolkata  New Central Book Agency  2011 
 - xxix, 1244 p. 
<br/><br/> Includes bibliography and index. 
<br/><br/><label>ISBN: </label>817381404X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science
<br/><br/><label>Dewey Class. No.: </label>363.7  / SAN