Dev Raj Khanna <br/><br/>
Ecology and Pollution of Ganga  River/ 
Dev Raj Khanna 
 - New Delhi,   Ashish Publishers,  1993 
 - 241,  ills. ,  23cm. 
<br/><br/><label>ISBN: </label>8170245419 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>551.483  / KHE,1993