Tyagi, O. D. and Mehra, M. <br/><br/>
A textbook of environmental chemitry 

 - New Delhi  ; Anmol Publications  , 1990 
 - 404p. 
<br/><br/><label>ISBN: </label>8170413524  400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Environmental Chemistry
<br/><br/><label>Dewey Class. No.: </label>577.14  / TYA