Water quality impact analysis 

 - New Delhi:   Commonwealth Publishers,   1992 
 - 344p. 
<br/><br/><label>ISBN: </label>8171692125 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-purification
<br/><br/><label>Subjects--Index Terms: </label>Water quality 
<br/><br/><label>Universal Decimal Class. No.: </label>543.3:502.65  / N2