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Grażyna Semyrka
AGH University of Science and Technology, Faculty of Geology, Geophysics and Environment Protection, Department of Fossil Fuels, Mickiewicza 30, 30-059 Kraków, Poland
Marzena Gancarz
AGH University of Science and Technology, Faculty of Drilling, Oil and Gas, Department of Gas Engineering, Mickiewicza 30, 30-059 Kraków, Poland
Zbigniew Mikołajewski
Polish Oil and Gas Co. SA, Branch of Geology and Exploitation, Department of Projects in Piła, Staszica 9, 64-920 Piła, Poland