Surveillance of drinking-water quality / 
World Health Organisation. 
 - Geneva :  World Health Organization,  1976. 
 - 135 p. :  ill. 
 - Monograph series - World Health Organization ;  no. 63 .
<br/><br/><label>ISBN: </label>9241400633 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drinking water.<br/>Environmental monitoring.<br/>Water quality management.