1. Faculty of Operation and Economics of Transport and Communications
Department of Road and Urban Transport, University of Zilina, Faculty of Operation and Economic of Transport and Communications
2. Faculty of Operation and Economic of Transport and Communications, University of Zilina
3. Faculty of Mechanical Engineering, Technical University of Ostrava, Ostrava, Czech Republic, VSB - Technical University of Ostrava, Czech Republic
4. Department of Power Engineering and Transportation, Faculty of Production Engineering, University of Life Sciences in Lublin, Gleboka 28, 20-612 Lublin, Poland