Hedvika Poukarova (Department of Geological Sciences, Faculty of Science, Masaryk University, Kotlárská 2, 611 37 Brno, Czech Republic; Institute of Geology of the Czech Academy of Sciences, v.v.i., Rozvojová 269, 165 00 Prague 6, Czech Republic), Karel Hron (Department of Mathematical Analysis and Applications of Mathematics, Faculty of Science, Palacký University, 17. listopadu 12, 771 46 Olomouc, Czech Republic), Ondrej Babek (Department of Geology, Faculty of Science, Palacký University, 17. listopadu 12, 771 46 Olomouc, Czech Republic), Jindrich Hladil (Institute of Geology of the Czech Academy of Sciences, v.v.i., Rozvojová 269, 165 00 Prague 6, Czech Republic), Martin Famera (Department of Geology, Faculty of Science, Palacký University, 17. listopadu 12, 771 46 Olomouc, Czech Republic), Daniel Simícek (Department of Geology, Faculty of Science, Palacký University, 17. listopadu 12, 771 46 Olomouc, Czech Republic), Tomas Weiner (Department of Geological Sciences, Faculty of Science, Masaryk University, Kotlárská 2, 611 37 Brno, Czech Republic), Ladislav Slavík (Institute of Geology of the Czech Academy of Sciences, v.v.i., Rozvojová 269, 165 00 Prague 6, Czech Republic)