1. T. G. Masaryk Water Research Institute p.r.i; Prague Czech Republic
2. Faculty of Natural Sciences, Department of Hydrogeology; Charles University; Prague Czech Republic
3. NIBIO (Norges institutt for bioøkonomi) Miljøteknologi; Ås Norge
4. College of Regional Development; Praha-Řepy Czech Republic
5. Faculty of Agriculture, Department of Landscape Management; University of South Bohemia; České Budějovice Czech Republic