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Author(s):
1. Branislav Sredanović, University of Banja Luka, Faculty of mechanical engineering,
Republic of Srpska, Bosnia and Herzegovina
2. Gordana Lakić Globočki, University of Banja Luka, Faculty of mechanical engineering,
Republic of Srpska, Bosnia and Herzegovina
3. Janez Kopač, University of Ljubljana, Faculty of Mechanical Engineering, Slovenia