Guidelines for drinking-water quality. 

 - Geneva :  World Health Organization,  2006. 
 - x, 68 p. ; 
<br/><br/><label>ISBN: </label>9241546743  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality
<br/><br/><label>LC Class. No.: </label>MEDREF TD363  / .W67