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Author(s):
1. Sasa Randjelovic, Faculty of Mechanical Engineering in Niš, Serbia
2. Srđan Mladenović, Faculty of Mechanical Engineering in Niš, Serbia
3. Đorđe Mišić, Faculty of Mechanical Engineering in Niš, Serbia
4. Nikola Milošević, Faculty of Mechanical Engineering in Niš, Serbia
Paper for reviews