Debi, Aloka. <br/><br/>
Environmental science and engineering 
by Aloka Debi. 
 - Hyderabad:  Universities press,  2008. 
 - 205p.  PAPER BACK  23 cm. 
<br/><br/> Civil Engineering 
<br/><br/> Environmental science, engineering 
<br/><br/><label>ISBN: </label>9788173716089 
<br/><br/><label>Dewey Class. No.: </label>620.8  / DEB