1. Institute of Agricultural Engineering, Transport and Bioenergetics, Faculty of Engineering, Slovak University of Agriculture in Nitra, 949 76 Nitra, Slovakia
2. Department of Combat and Special Vehicles, Faculty of Military Technology, University of Defence, Kounicova 65, 662 10 Brno, Czech Republic
3. Faculty of Mechanical Engineering, University of Technology and Life Sciences in Bydgoszcz, Al. Prof. S. Kaôiskiego 7, 85-789 Bydgoszcz, Poland
4. Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovica 8, 21000 Novi Sad, Serbia