De, Anil Kumar . <br/><br/>
Environmental chemistry /  
NULL. 
 - 2nd ed /   . 
 - New Delhi :   Wiley Eastern Limited ,   1989. 
 - 340p. :   ill.fig ;   20cm .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label>0852261748  Rs. 60.00