Authors
Eva Popardovská
Armed Forces Academy of gen. M.R. Štefánik, Department of Mechanical Engineering, Demänová 393, Litptovský Mikuláš, Slovakia
Vladimír Popardovský
Armed Forces Academy of gen. M.R. Štefánik, Department of Mechanical Engineering, Demänová 393, Litptovský Mikuláš, Slovakia
Ján Danko
Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, Institute of Automotive Engineering and Designing, Bratislava, Slovakia