Author(s):
1. Duško Kostić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
2. Vladimir Damjanović, Fabrika , Republic of Srpska, Bosnia and Herzegovina
3. Mitar Perušić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
4. Radislav Filipovic, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
5. Zoran Obrenovic, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
6. Vladan Mićić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
7. Dragana Kostić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina

Final paper