World Health Organization W H O <br/><br/>
Guidelines for drinking-water quality. Vol 1, Recommendations. Ed 2  

 - 2nd Edition 
 - Geneva  World Health Organization  1993 
 - 188p 
 -  Vol 1 .
<br/><br/>World Health Organization W H O: Guidelines for drinking-water quality. Vol 1, Recommendations. Ed 2.  (2nd Edition)  Geneva.  World Health Organization, 1993. 92-4-154460-0--(628.17WOR)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>92-4-154460-0 
<br/><br/><label>Dewey Class. No.: </label>628.17  / WHO