Author(s):
1. Svjetlana Janjić, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
2. Tatjana Botić, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
3. Tatjana Rijavec, University of Ljubljana, Faculty of Natural Science and Engineering, Slovenia
4. Ivana Dojčinović, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
5. Vesna Ivanović, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina

Abstract Final paper