Guidelines for drinking water quality 

 - Geneva  WTO            1984 
 - xi,130p.  cm. 
 -  Vol.1: Recommendations (130p) .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>WATER
<br/><br/><label>Dewey Class. No.: </label>Y:3(D85), M4.1-3/TD