Calibration of the model of an operational water distribution systemVassiljev, Anatoli; Koppel, Tiit; Puust, RaidoCCWI 2005 : proceedings of the Eighth International Conference on Computing and Control for the Water Industry : Exeter, UK. Volume 12005 / p. 155-159 : ill Calibration of the model of an operational water distribution systemVassiljev, Anatoli; Koppel, TiitProceedings of the Fifth International Conference on Engineering Computational Technology2006 / Paper 155 [10] p. : ill Calibration of the model of an operational water distribution systemKoppel, Tiit; Vassiljev, AnatoliWorld Water Congress : Vienna, Austria, 7-12 September 20082008 / [8] p