1. Faculty of Environment Jan Evangelista Purkyně University in Ústí nad Labem Ústí nad Labem Czech Republic
2. Department of Geoinformatics, Physical and Environmental Geography University of Szeged Szeged Hungary
3. Institute of Geography Leipzig University Leipzig Germany
4. Faculty of Science Palacký University Olomouc Czech Republic
5. Department of Archaeology, Faculty of Philosophy University of Hradec Králové Hradec Králové Czech Republic
6. Institute of Inorganic Chemistry of the Czech Academy of Sciences Řež Czech Republic