Chhatwal, G.R.. <br/><br/>
Environmental water pollution and its control /  
Edited by G.R. Chhatwal, M.C. Mehra, M. Satake, T. Katyal, Mohan Katyal, T. Nagahiro. 
 - 1st ed /  
 - New Delhi :   Anmol Publications ,   1989 
 - p532 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality
<br/><br/><label>Dewey Class. No.: </label>G:555(D854)  / M9;1