International standards for drinking water 

 - 2 
 - Suiza : World Health Organization 
 - 206 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGUA POTABLE - NORMAS \ \ ORGANIZACION MUNDIAL DE LA SALUDĚ
<br/><br/><label>LC Class. No.: </label>RA591 I58 1963