1. Faculty of Mechanical Engineering, University of Zielona Góra, 65-516 Zielona Góra, Poland
2. Faculty of Mechanical Engineering, Technical University of Košice, Letná 9, 042 00 Košice, Slovakia
3. Independent Researcher, 65-516 Zielona Góra, Poland
4. Faculty of Process and Environmental Engineering, Lodz University of Technology, Wolczańka 213, 90-924 Lodz, Poland