Water treatment for industrial and public supply:    a review of Bri tish achievements/  
prepared for the Department of Trade and Industry by the Central Office of Information 
 - London:    Central Office of Information,    1971 
 - 151p. :    ill.;    22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Water -- Purification
<br/><br/><label>Dewey Class. No.: </label>628.162 WAT