Tyagi, O. D. <br/><br/>
Textbook of environmental chemistry: For b.sc, b.sc(hons) and m.sc students 

 - New Delhi  Anmol  1990 
 - 404p. 
<br/><br/><label>ISBN: </label> RS 400.00 
<br/><br/><label>Source: </label> RS 400.00 
<br/><br/><label>Dewey Class. No.: </label>540 TYA