World Health Organization <br/><br/>
Guide Lines for Dringking - Water Quality 

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 - Geneva  World Health Organisation  1984 
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<br/><br/>  Vol.1. Recommentations 
<br/><br/><label>ISBN: </label>
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Guidelines for Drinking - Water Quality 
<br/><br/><label>Dewey Class. No.: </label>628.16