Author(s):
1. Mihael Bučko, University of Defense, Military Academy, , Serbia
2. Marija Mitrović, University of East Sarajevo, Faculty of Technology,
Republic of Srpska, Bosnia and Herzegovina
3. Milorad Tomić, University of East Sarajevo, Faculty of Technology,
Republic of Srpska, Bosnia and Herzegovina
4. Jelena Bajat, University of Belgrade, Faculty of Technology and Metallurgy, , Serbia