Tyagi, O.D. <br/><br/>
A Text book of Environmental Chemistry 

 - New Delhi :  Anomol Publications,  1990. 
 - 404p.;  22cm 
<br/><br/><label>ISBN: </label>81-7041-352-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Chemistry<br/>Chandrens'  Literature
<br/><br/><label>Dewey Class. No.: </label>540  / TYA