Tyagi, O. D. <br/><br/>
A textbook of environmental chemistry / 
O. D. Tyagi 
 - New Delhi :  Anmol Publications,  1990 
<br/><br/>Includes references & indexes. 
<br/><br/><label>ISBN: </label>8170413524 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental chemistry
<br/><br/><label>Dewey Class. No.: </label>628.0154  / TYA