1. Faculty of Non-Ferrous Metals, AGH University of Science and Technology, Aleja Mickiewicza 30, 30-059 Kraków, Poland
2. Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, Aleja Mickiewicza 30, 30-059 Kraków, Poland
3. Faculty of Applied Mathematics, AGH University of Science and Technology, Aleja Mickiewicza 30, 30-059 Kraków, Poland