Lloyd, Barry <br/><br/>
Surveillance of drinking water quality in rural areas / 
Barry Lloyd, Richard Helmer. 
 - Harlow :  Longman Scientific & Technical on behalf of the World Health Organization and the United Nations Environment Programme,  1991 
 - 171p :  ill (pbk) ;  24cm 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0582063302 
<br/><br/><label>Nat. Bib. No.: </label>b9038011 
<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>363.61