Author(s):
1. Dušan Ješić, International technology Management Academy, Novi Sad, 2. Borislav Savković, Faculty of Technical Sciences, Department for Production Engineering, Serbia
3. Pavel Kovač, Faculty of Technical Sciences, Department for Production Engineering, Serbia
4. Živko Aleksić, Srbijagas, Serbia
5. Dražen Sarjanović, Sara-Mont. Doo,, Serbia

Abstract