1. Institute of Environmental Engineering, Wroclaw University of Environmental and Life Sciences, Grunwaldzki 24a, 50-365 Wrocław, Poland
2. Division of Electrotechnology and Materials Science, Electrotechnical Institute, M. Skłodowskiej-Curie 55/61, 50-369 Wrocław, Poland
3. Department of Advanced Material Technologies, Wroclaw University of Technology, Smoluchowskiego 21, 50-372 Wrocław, Poland