Guidelines for drinking-water quality /  Volume 3,   Drinking-water quality control in small-community supplies. 
World Health Organization. 
 - Geneva :   World Health Organization,   1985 [reprint1991]. 
 - viii, 120 p. :  ill. ;   25 cm. 
<br/><br/>Includes Bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drinking water  --Standards.
<br/><br/><label>Dewey Class. No.: </label>614.34  / WOG 1991