Authors
Radosław Jastrzȩbski
Faculty of Electrical Engineering, Czȩstochowa University of Technology, Czȩstochowa, Poland
Adam Jakubas
Faculty of Electrical Engineering, Czȩstochowa University of Technology, Czȩstochowa, Poland
Krzysztof Chwastek
Faculty of Electrical Engineering, Czȩstochowa University of Technology, Czȩstochowa, Poland