Author(s):
1. Vladimir Petrović, Univeristy of Belgrade, Faculty of Mechanical Engineering, Serbia
2. Stefan Đinić, Mašinski fakultet Univerziteta u Beogradu, Serbia
3. Marko Kitanović, Univeristy of Belgrade, Faculty of Mechanical Engineering, Serbia
4. Nenad Miljić, Univeristy of Belgrade, Faculty of Mechanical Engineering, Serbia