Punmia, B.C. <br/><br/>
Waste water engineering: including air pollution 

 - 628.4 P96,w 
 - New Delhi   Laxmi Publications  1998 
 - xv,660p. p. 
<br/><br/><label>ISBN: </label>9790000000000 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Waste water engineering