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2. Beck M.B. (1986), “Identification, estimation and control of biological waste-water treatment processes”, Proceedings Institution of Electrical Engineers, 133, Part D (Control Theory and Applications), pp. 254–264.
3. Beck M.B. (1987), “Water quality modelling: a review of the analysis of uncertainty”, Water Resources Research, 23(8), pp. 1393–1442.
4. Beck M.B. (1988), “System identification and control”, Chapter 11, in Dynamic Modeling and Expert Systems in Wastewater Engineering (Eds. G.G. Patry and D. Chapman), Chelsea, Michigan; Lewis Publishers, (in press).
5. Daigger G.T. and Grady C.P.L. (1982), “The dynamics of microbial growth on soluble substrates — a unifying theory”, Water Research, pp. 365–382.