Author(s):
1. Dušan Šarac, Univeristy of Belgrade, Faculty of Mechanical Engineering, Serbia
2. Jelena Munćan, Mašinski fakultet Univerziteta u Beogradu, Serbia
3. Ivana Stanković (Mileusnić), Mašinski fakultet Univerziteta u Beogradu, 4. Ivan Đuričić, Univeristy of Belgrade, Faculty of Mechanical Engineering, Serbia
5. Boris Kosić, Mašinski fakultet Univerziteta u Beogradu, Serbia
6. Jovana Šakota-Rosić, Mašinski fakultet Univerziteta u Beogradu, Serbia