Pentelow , Frederick Topham Key. <br/><br/>
River purification:   a legal and scientific review of the last 100 years. 

 - London :   Arnold ,   [1953] 
 - 63  p.  ;    18 cm. 
 - The  Bucland lectures for 1952,   .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water --Purification.------
<br/><br/><label>Dewey Class. No.: </label>628.16