De, A K <br/><br/>
Enviornmental chemistry 
A K De 
 - 3rd ed. 
 - New Delhi:  New age Int.,  1994. 
 - 364p. 
<br/><br/><label>Subjects--Index Terms: </label>Enviornmental chemistry 
<br/><br/><label>Dewey Class. No.: </label>628.5  / DEA