Debi, Aloka <br/><br/>
Environmental science and engineering 
by Aloka Debi 
 - 1st ed. 
 - Hyderabad:  Universities Press (India) Private Limited  2008 
 - 210p. 
<br/><br/><label>ISBN: </label>9788173716089 
<br/><br/><label>Dewey Class. No.: </label>D0a9:55  / P8