Author(s):
1. Milesa Srećković, Faculty of Electrical Engineering, Bulevar Kralja Aleksandra 73, University of Belgrade, Serbia
2. Aleksandra Janićijević, Academy of Technical Vocational Studies Belgrade, Katarine Ambrozić, Serbia
3. Aco Janicijević, Tehnološko-metalurški fakultet, Univerzitet u Beogradu, Srbija, Serbia
4. Radovan Gospavić, Faculty of Civil Engineering, Bulevar Kralja Aleksandra 73, University of Belgrade, Serbia
5. Sofija Petković, Mašinski fakultet, Kraljice Marije 16, Univerzitet u Beogradu, Srbija, Serbia
6. Jelena Ilić, Mašinski fakultet, Kraljice Marije 16, Univerzitet u Beogradu, Srbija, Serbia

Abstract