1. AGH Doctoral School, AGH University of Krakow, Mickiewicza 30 Av., 30-059 Krakow, Poland
2. Faculty of Drilling, Oil and Gas, AGH University of Krakow, Mickiewicza 30 Av., 30-059 Krakow, Poland
3. Doctoral School, Cracow University of Technology, Warszawska 24, 31-155 Krakow, Poland