Kaul S. N <br/><br/>
WASTEWATER ENGINEERING.:  Engineering System, 
by Kaul S. N, Kumar A 
 - New Delhi  A P H Publihing Corporation  2006 
 - v,521p  ill,  25cm 
<br/><br/><label>Source: </label>B-28381 
<br/><br/><label>LC Class. No.: </label>TD430  / .K38