Tyagi, O.D.. <br/><br/>
A textbook of environmental chemistry /  
O.D. Tyagi and M. Mehra. 
 - New Delhi :   Anmol Publications ,   1990 (rep. 1992). 
 - iv,404p. :   ill.,charts ;   23cm .  
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<br/><br/><label>ISBN: </label>8170413524  Rs. 400.00 
<br/><br/><label>Subjects--Index Terms: </label>ENVIRONMENTAL CHEMISTRY 
<br/><br/><label>Dewey Class. No.: </label>577.14  / TYA/T