@article{Kalker1999FuzzyControlAeration, author = "T.J.J. Kalker and C.P. van Goor and P.J. Roeleveld and M.F. Ruland and R. Babu\v{s}ka", title = "Fuzzy control of aeration in an activated sludge wastewater treatment plant: design, simulation and evaluation", journal = "Water Science and Technology", volume = "39", number = "4", pages = "71--78", year = "1999" }