Authors
Małgorzata Wistuba
University of Silesia in Katowice, Faculty of Earth Sciences, Sosnowiec, Poland
Ireneusz Malik
University of Silesia in Katowice, Faculty of Earth Sciences, Sosnowiec, Poland
Marek Krąpiec
AGH University of Science and Technology, Faculty of Geology, Geophysics and Environmental Protection, Kraków, Poland