Author(s):
1. Tijana Đuričić, University of Banja Luka, Faculty of Technology,
Republic of Srpska, Bosnia and Herzegovina
2. Borislav Malinović, University of Banja Luka, Faculty of Technology,
Republic of Srpska, Bosnia and Herzegovina
3. Draženko Bjelić, University of Banja Luka, Faculty of Technology,
Republic of Srpska, Bosnia and Herzegovina