Keerthi Narayana,S <br/><br/>
Principles of Environmental Science and Engineering. 

 - 1st. 
 - Chennai  Hi-tech  2005 
 - 265p. 
<br/><br/><label>ISBN: </label> RS 140.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Engineering
<br/><br/><label>Dewey Class. No.: </label>628   / KEE