Santra, S. C. <br/><br/>
Environmental science 
/by S. C. Santra 
 - Kolkata  New Central Book Agency  2008 
 - xxix,1244p. 
<br/><br/><label>ISBN: </label>81-7381-404-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution--Ecology
<br/><br/><label>Dewey Class. No.: </label>574.5  / SAN/E