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Urfer, D., P. M. Huck, G. A. Gagnon, D. Mutti, and F. Smith, "Modeling enhanced coagulation to improve ozone disinfection", Journal-American Water Works Association, vol. 91, no. 3, pp. 59–73, 1999.
Urfer, D., P. M. Huck, S. D. J. Booth, and B. M. Coffey, "Biological filtration for BOM and particle removal: a critical review", Journal-American Water Works Association, vol. 89, no. 12, pp. 83–98, 1997.
Urfer, D., and P. M. Huck, Effects of hydrogen peroxide residuals on biologically active filters: Taylor & Francis, 1997.
