Malviya, Shobha  <br/><br/>
Environmental impact of sewage :   and effluent disposal on the river system / 
J. P. Palharya, V. K. Siriah and Shobha Malviya 
 - 1st ed. 
 - New Delhi,   Ashish Pub. House,  1993 
 - 179 p :  ill.  23 cm. 
<br/><br/><label>ISBN: </label>8170245400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental
<br/><br/><label>Dewey Class. No.: </label>363.7  / PAE