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Grzegorz Leniec
Institute of Physics, Department of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology, 48 Piastów Ave., 70-310 Szczecin, Poland
Sławomir M. Kaczmarek
Institute of Physics, Department of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology, 48 Piastów Ave., 70-310 Szczecin, Poland
Marek Berkowski
Institute of Physics of the Polish Academy of Sciences, 32/46 Lotników Ave., 02-668 Warsaw, Poland
Michał Głowacki
Institute of Physics of the Polish Academy of Sciences, 32/46 Lotników Ave., 02-668 Warsaw, Poland
Tomasz Skibiński
Institute of Physics, Department of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology, 48 Piastów Ave., 70-310 Szczecin, Poland
Bohdan Bojanowski
Institute of Physics, Department of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology, 48 Piastów Ave., 70-310 Szczecin, Poland