Authors
Piotr Moska
Department of Radioisotopes, Institute of Physics, Silesian University of Technology, Gliwice, Poland
Grzegorz Adamiec
Department of Radioisotopes, Institute of Physics, Silesian University of Technology, Gliwice, Poland
Zdzisław Jary
Institute of Geography and Regional Development, University of Wroclaw, Wroclaw, Poland
Andrzej Bluszcz
Department of Radioisotopes, Institute of Physics, Silesian University of Technology, Gliwice, Poland