Environmental Chemistry 
B.K. Sharma, H. Kaur. 
 - 4th. rev. and enl. ed. 
 - Merrut  Goel publishing house  1997 
 - [various pagination]; 26 cm. 
<br/><br/><label>ISBN: </label>8185842841 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental chemistry.
<br/><br/><label>Dewey Class. No.: </label>363.739  / S34E