Author(s):
1. Srbislav Aleksandrovic, Fakultet inženjerskih nauka Univerziteta u Kragujevcu, Serbia
2. Slaviša Djačić, Montenegro
3. Milentije Stefanović, Faculty of Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija 2IMW Ins, Serbia
4. Milan Đorđević, Serbia
5. Vukić Lazić, Fakultet inženjerskih nauka Univerziteta u Kragujevcu, Serbia
6. Dušan Arsić, Faculty of Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija 2IMW Ins, Serbia

Paper for reviews