1. An Investigation of the Laws of Disinfection
2. Guidance manual for compliance with the surface water treatment requirements for public water systems . (1991). U.S. Envir. Protection Agency Washington D.C.
3. Haas C. N. (1989). “Inherent experimental variability.” Proc. Annual AWAA Conf. American Water Works Assoc. Denver Colo. 67.
4. Hoff J. C. (1989). “Strengths and weaknesses of using CT values to evaluate disinfection practice.” Proc. Annual AWWA Conf. American Water Works Assoc. Denver Colo. 9.
5. Joost R. D. Jackson L. A. and Bollyky L. J. (1989). “Optimization of ozone contactors for drinking water disinfection.” Proc. of the 9th Ozone World Congress L. J. Bollyky ed. International Ozone Assoc. Zurich Switzerland. Vol. 1 551.