Author(s):
1. Aleksandra Šinik, 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. Jovan Todorović, Tehnosint,
Republic of Srpska, Bosnia and Herzegovina
4. Slavica Kozarac,
Republic of Srpska, Bosnia and Herzegovina
5. Pero Dugić, Faculty of Technology Banja Luka,
Republic of Srpska, Bosnia and Herzegovina