1 | University of Žilina, Faculty of Mechanical Engineering, Univerzitna 1, 010 26, Žilina, Slovakia |
2 | Lublin University of Technology, Faculty of Mechanical Engineering, ul. Nadbystrzycka 36, 20-618 Lublin, Poland |
3 | VSB -TU Ostrava, Faculty of Mechanical Engineering, 17. listopadu 15/2172, 708 33 Ostrava, Czech Republic |