Gaur, P. K. <br/><br/>
Principles of water and wastewater treatment / 
P K Gaur. 
 - New Delhi  :  SBS Publishers & Distributors,  2012. 
 - vii, 323 p. :  ill. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9789380090214 (hbk.)  RM238.25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Purification<br/>Sewage--Purification.