Tyagi, O. D. <br/><br/>
Textbook Environmental chemistry 
O. D. Tyagi, M. Mehra 
 - New Delhi  Anmol publications  1996 
 - 404p. 
<br/><br/><label>ISBN: </label> 85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>628  / T977