Vance, Mary A. <br/><br/>
Water purification  a bibliography 
Mary Vance 
 - Monticello, Ill  Vance Bibliographies  [1982] 
 - 39 p.  29 cm. 
 - Public administration series--bibliography  P-933  0193-970X .
<br/><br/> Cover title 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Purification--Bibliography<br/>Sewage--Purification--Bibliography
<br/><br/><label>Dewey Class. No.: </label>016.6281  / 62