Smethurst, George  <br/><br/>
Basic Water Treatment for Application World-Wide / 
George Smethurst 
 - 2nd. ed. 
 - Delhi:  IBT Pub..  1989. 
 - 216p.:  [hb] 
<br/><br/><label>ISBN: </label>02535122 
<br/><br/><label>Dewey Class. No.: </label>628.1  / SME-B