Cox, Charles R. <br/><br/>
Operation and control of water treatment processes / 
Charles R. Cox 
 - Geneva :  World Health Organization,  1969 
<br/><br/>Includes references & indexes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water treatment
<br/><br/><label>Dewey Class. No.: </label>628.16  / COX