Authors
Tadeusz Rodziewicz
Division of Physicochemical Research, Faculty of Natural Sciences and Technology, University of Opole, Opole, Poland
Josuke Nakata
Eniwa, Japan
Aleksander Zaremba
Chair of Industrial Electrical Engineering, Faculty of Electrical Engineering, Czestochowa University of Technology, Częstochowa, Poland
Maria Wacławek
Division of Physicochemical Research, Faculty of Natural Sciences and Technology, University of Opole, Opole, Poland