Authors
Karol Dąbrowski
University of Zielona Góra, Faculty of Mechanical Engineering ul. Prof. Z. Szafrana 4, 65-516, Zielona Góra, Poland
Katarzyna Skrzypek
University of Zielona Góra, Faculty of Mechanical Engineering ul. Prof. Z. Szafrana 4, 65-516, Zielona Góra, Poland