Punmia B.C. <br/><br/>
Wastewater engineering   Including air pollution  

 - USA  Laxmi Publications Ltd.  1988 
 - xv, 660p.:  ill.: 
<br/><br/>Includes Index  
<br/><br/><label>ISBN: </label>8170080916 
<br/><br/><label>LC Class. No.: </label>TD 645  / .P96 1988