Singh, Gajraj. <br/><br/>
Handbook of water purity and quality / 
Gajraj Singh. 
 - New Delhi :  SBS Publishers,   2012. 
 - vii, 371 p. :  ill.  
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9789380090238 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality management--Handbooks, manuals, etc.<br/>Water--Handbooks, manuals, etc..
<br/><br/><label>Dewey Class. No.: </label>628.161  / SIN