Lloyd, Barry. <br/><br/>
Surveillance of drinking water quality in rural areas / 
Barry Llo yd, Richard Helmer. 
 - Burnt Mill, Harlow, Essex, England :   New York :  Longman Scientific & Technic al ;  J. Wiley,   1991. 
 - xvi, 171 p. :  ill., maps ;   24 cm. 
<br/><br/> "Published on behalf of the World Health Organization and the United Nations Environment Programme." 
<br/><br/>Includes bibliographical references (p. [167]-169) and index. 
<br/><br/><label>ISBN: </label>0582063302 047021709X (U.S.) 
<br/><br/><label>LCCN: </label>90-006106 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-supply, Rural.<br/>Water quality-- Measurement.<br/>Drinking water.
<br/><br/><label>Dewey Class. No.: </label>628.1/61