1. Drinking Water; National Primary Drinking Water Regulations; Filtration, Disinfection; Turbidity, Giardia lamblia, Viruses, Legionella, and Heterotrophic Bacteria: Final Rule;USEPA;Fed. Reg.,1989
2. Drinking Water; National Primary Drinking Water Regulations; Total Coliforms (Including Fecal Coliforms and E. Coli): Final Rule;USEPA;Fed. Reg.,1989
3. National Primary Drinking Water Regulations: Enhanced Surface Water Treatment Requirements: Proposed Rule;USEPA;Fed. Reg.,1994
4. Infectious and Parasitic Diseases;Bennett,1987
5. Inactivation of Cell-Associated and Dispersed Hepatitis A Virus in Water;Sobsey;Jour. AWWA,1991