World health organisation <br/><br/>
Guidelines for drinking water quality  :v.1 recommendations 

 - 2nd ed. 
 - Geneva,  World Health Organisation,  1993 
<br/><br/> School of Marine Sciences 
<br/><br/><label>Subjects--Index Terms: </label>Drinking water- standards  Water purification  Drinking Water - Standards  
<br/><br/><label>Dewey Class. No.: </label>628.161  / N3