1. Waterborne-disease outbreaks;MMWR 1991,1989-1990
2. Causes of waterborne outbreaks in the United States;Craun;Water Sci Technol.,1989
3. Crypto and Giardia in US groundwater;Hancock;J. Am. Water Works Assoc.,1998
4. Developing the ground water disinfection rule;Macler;J. Am. Water Works Assoc.,1996
5. Drinking water; national primary drinking water regulations; filtration, disinfection; turbidity; Giardia lamblia, viruses, Legionella, and heterotrophic bacteria: final rule;Fed. Reg.,1989a