PALHARYA,J.P <br/><br/>
ENVIRONMENTAL IMPACT OF SEWAGE AND EFFLUENT DISPOSAL ON THE RIVER SYTEM 

 - NEW DELHI  ASHISH  1993 
 - 23X15 
<br/><br/><label>ISBN: </label>8170245400 
<br/><br/><label>Dewey Class. No.: </label>628.362 P153