1 | University of Zilina, Faculty of Operation and Economics of Transport and Communications, Department of Road and Urban Transport, Univerzitna 8215/1, 010 26 Zilina, Slovak Republic |
2 | Institute of Technology and Business in Ceske Budejovice, Faculty of Technology, Department of Transport and Logistics, Okruzni 517/10, 370 01 Ceske Budejovice, Czech Republic |
3 | Lublin University of Technology, Faculty of Mechanical Engineering, ul. Nadbystrzycka 36, 20-618 Lublin, Poland |
4 | Ural State University of Economics, 8 Marta, 62, 620144, Yekaterinburg, Russia |