1. Department of Hydraulics and Hydrology, Czech Technical University in Prague, Prague 6 166 29, Czech Republic
2. Eawag: Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland
3. Prague Water Supply and Sewerage System Company, Prague 1 110 00, Czech Republic
4. Department of Sanitary and Ecological Engineering, Czech Technical University in Prague, Prague 6 166 29, Czech Republic
5. UCEEB, Czech Technical University in Prague, Trinecka 1024, Bustehrad 273 43, Czech Republic