1. Department of Technology and Automation, Faculty of Mechanical Engineering and Computer Science, Czestochowa University of Technology, al. Armii Krajowej 19c, 42-200 Częstochowa, Poland
2. Department of Physics, Czestochowa University of Technology, al. Armii Krajowej 19, 42-200 Częstochowa, Poland
3. Faculty of Materials Science and Engineering, Gheorghe Asachi Technical University of Iasi, Blvd. D. Mangeron 41, 700050, Iaşi, Romania
4. Romanian Inventors Forum, Str. Sf. P. Movila 3, Iaşi, Romania