Rao, C.S. <br/><br/>
Environmental pollution control engineering 
C.S. Rao. 
 - New Delhi  Wiley Eastern Limited  1991 
 - iii,431p., illus.; 23cm. 
<br/><br/><label>ISBN: </label>8122403018. 
<br/><br/><label>Dewey Class. No.: </label>628.53,  / R19E