D. K. Asthana <br/><br/>
Environment  Problems &amp; solution 

 - New Delhi  S. Chand and company  1998 
 - 323 p. 
<br/><br/><label>ISBN: </label> 175 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>660  / AST