Author(s):
1. Bogdan Nedić, Fakultet inženjerskih nauka Univerziteta u Kragujevcu, Serbia
2. Marko Janković, Fiat automobili Serbia, Kragujevac, Serbia
3. Milan Erić, Faculty of Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija 2IMW Ins, Serbia
4. Gordana Lakić Globočki, University of Banja Luka, Faculty of mechanical engineering, Republic of Srpska, Bosnia and Herzegovina
5. Branislav Sredanović, University of Banja Luka, Faculty of mechanical engineering, Republic of Srpska, Bosnia and Herzegovina

Final paper