1. Rzeszow University of Technology , Department of Management Systems and Logistics al. Powstańców Warszawy, 35-959 , Rzeszow , Poland
2. Cracow University of Technology , Faculty of Mechanical Engineering, Institute of Rail Vehicles , Jana Pawła II 37, 31-864 Kraków , Poland
3. Technical University of Kosice , Faculty of Mining, Ecology, Process Control and Geotechnology, Institute of Logistics , Park Komenskeho 14, 04-001 Košice , Slovak Republic