Dufour A I, Snozzi Mario, Koster Wolfgang & Bartram Jamie <br/><br/>
Assessing Microbioal Safety of Drinking Water : Improving Approaches and Methods .-1-84339-036-1 

 -  World Health Organization, Iwa, Geneva 
<br/><br/><label>ISBN: </label>1-84339-036-1 
<br/><br/><label>Dewey Class. No.: </label>G91:(D855)  P03/DUFOUR A I/B25238