Guidelines for drinking-water quality.  Addendum : Microbiological agents in drinking water/ 
 Microbiological agents in drinking water. 
World Health Organisation 
 - 2nd ed. 
 - Geneva :  World Health Organization,  2002 
 - vii, 142 p. ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9241545356(pbk. ) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drinking water - standards.<br/>Water microbiology - standards<br/>Water Supply--standards.<br/>Water Pollution--prevention & control.