Author(s):
1. Zorana Tanasić, Mašinski fakultet Univerziteta u Banjoj Luci, Republic of Srpska, Bosnia and Herzegovina
2. Goran Janjic, Mašinski fakultet Univerziteta u Banjoj Luci, Republic of Srpska, Bosnia and Herzegovina
3. Mirko Sokovic, University of Ljubljana, Faculty of Mechanical Engineering, Slovenia
4. Borut Kosec, University of Ljubljana, Faculty of Natural Science and Engineering, Slovenia
5. Goran Jotic, Mašinski fakultet Univerziteta u Banjoj Luci, Republic of Srpska, Bosnia and Herzegovina

Final paper