1. Standard Methods for the Examination of Water and Wastewater;APHA,1981
2. Introduction to Environmental Virology;Bitton,1980
3. An investigation of the laws of disinfection;Chick;J. Hyg.,1908
4. Outbreaks of Waterborne Disease in the United States: 1971–1978;Craun;J. Am. Wat. Wks Ass.,1981
5. Virus sensitivity to chlorine disinfection of water supplies;Englebrecht,1978