Don, John F. I. C. <br/><br/>
Modern methods of water purification / 

 - 2nd edition.  revised and enlarged, edition. 
 - London :  Edward Arnold,  1913. 
 - x, 393 p. :  ill. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Dewey Class. No.: </label>628.161  DON