1 | University of Life Science in Lublin, Faculty of Production Engineering, 28 Głęboka Street, 20-612 Lublin |
2 | Lublin University of Technology, Faculty of Mechanical Engineering,
36 Nadbystrzycka Street, 20-618 Lublin |
3 | University of Žilina, Faculty of Mechanical Engineering,
Univerzitná 8215/1, 010 26 Žilina, Slovakia |
4 | University of Žilina, Faculty of Operation and Economics of Transport and Communication,
Department of Road and Urban Transport |