Author(s):
1. Ivana Kecman, Faculty of Mechanical Engineering,
Republic of Srpska, Bosnia and Herzegovina
2. Mirko Dobrnjac, Faculty of Mechanical Engineering,
Republic of Srpska, Bosnia and Herzegovina
3. Vladimir Stevanović, Mašinski fakultet Univerziteta u Beogradu, Serbia
4. Milan Lečić, Univeristy of Belgrade, Faculty of Mechanical Engineering, Serbia