Author(s):
1. Mitar Jocanović, Fakultet tehničkih nauka Univerziteta u Novom Sadu, Serbia
2. Velibor Karanović, Faculty of Technical Science, Kosovska Mitrovica, Serbia
3. Marko Orošnjak, FTN, Serbia
4. Darko Knežević, Faculty of Mechanical Engineering,
Republic of Srpska, Bosnia and Herzegovina
5. Sasa Lalos,
Republic of Srpska, Bosnia and Herzegovina