1. Faculty of Technology and Metallurgy, University of Belgrade, Belgrade, Serbia
2. Innovation Center of Mechanical Engineering Faculty, University of Belgrade, Belgrade, Serbia + Faculty of Mechanical and Civil Engineering in Kraljevo, University of Kragujevac, Kraljevo, Serbia
3. Innovation Center of Mechanical Engineering Faculty, University of Belgrade, Belgrade, Serbia,
4. Faculty of Mechanical and Civil Engineering in Kraljevo, University of Kragujevac, Kraljevo, Serbia