Authors
Grzegorz Poręba
Silesian University of Technology, Institute of Physics – Centre for Science and Education, Gliwice, Poland
Zbigniew Śnieszko
Kazimerz Wielki University, Institute of Geography, Bydgoszcz, Poland
Piotr Moska
Silesian University of Technology, Institute of Physics – Centre for Science and Education, Gliwice, Poland
Przemysław Mroczek
Maria Curie-Skłodowska University, Faculty of Earth Sciences and Spatial Management, Lublin, Poland
Ireneusz Malik
University of Silesia, Faculty of Earth Sciences, Sosnowiec, Poland