Palharya.J.P <br/><br/>
Environmental Impact of Sewage and Effluent Disposal on the river system 

 - New Delhi  Ashish Pub.  1993 
 - v,180p. 
<br/><br/><label>ISBN: </label>8170245400 
<br/><br/><label>Dewey Class. No.: </label>551.9