Autori:
1. Saša Pavlović, Faculty of Mechanical Engineering in Niš, Serbia
2. Marko Mancic, Faculty of Mechanical Engineering in Niš, Serbia
3. Velimir Stefanovic, Faculty of Mechanical Engineering in Niš, Serbia
4. Živan Spasić, Faculty of Mechanical Engineering in Niš, Serbia

Sažetak rada