Tyagi, O.D. <br/><br/>
Textbook of environmental chemistry 
O.D. Tyagi, M. Mehra 
 - New Delhi  Anmol Pub.  1990 
 - 404 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry, Analytic
<br/><br/><label>Dewey Class. No.: </label>543  / TYA N0