1. Institute of Geography and Environmental Sciences, The Jan Kochanowski University, Uniwersytecka 7, 25-406 Kielce, Poland
2. Department of General and Inorganic Chemistry, Cracow University of Technology, Warszawska 24, 31-155 Kraków, Poland
3. Faculty of Mathematics and Computer Science, Jagiellonian University, Stanisława Łojasiewicza 6, 30-348 Kraków, Poland