Author(s):
1. Milica Peric, Inovacioni centar Mašinskog fakulteta u Beogradu, Serbia
2. Igor Hut, Serbia
3. Svetlana Pelemiš, Faculty of Technology - University of East Sarajevo,
Republic of Srpska, Bosnia and Herzegovina
4. Lidija Matija, Mašinski fakultet Univerziteta u Beogradu, Serbia