Author(s):
1. Mitar Perušić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
2. Branko Pejović, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
3. Stefan Pavlović, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
4. Dragana Kešelj, Republic of Srpska, Bosnia and Herzegovina
5. Radislav Filipovic, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina

Final paper