Modeling of the water flow and quality in riversVassiljev, Anatoli; Grimvall, Anders; Larsson, Martin"Environmental Impact and Water Management in a Catchment Area Perspective" : 24-26 September, 2001, Tallinn, Estonia : proceedings of the Symposium dedicated to the 40th Anniversary of Institute of Environmental Engineering at Tallinn Technical University2001 / p. 94-102 : ill