Santra, S.C. <br/><br/>
Environmental science 
S.C. Santra 
 - 2nd rev. ed 
 - Kolkata  New Central Book Agency  2005 
 - 1244 p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>817381404X  Rs.535.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment science<br/>Environmental studies
<br/><br/><label>Dewey Class. No.: </label>363.7  / SAN E