WHO <br/><br/>
Guidelines for drinking - water quality : addendum to volume I recommendations 

 - auth., Geneva  1998 
 - viii,36p 
<br/><br/><label>ISBN: </label>92-4-154514-3 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Health & Hygiene
<br/><br/><label>Dewey Class. No.: </label>614.772 W.H.O.