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Author(s):
1. Dušan Šarac, Univeristy of Belgrade, Faculty of Mechanical Engineering, Serbia
2. Nenad Mitrovic, Mašinski fakultet Univerziteta u Beogradu, Serbia
3. Ivan Tanasić, Stomatoloski fakultet u Beogradu, Serbia
4. Miloš Milošević, Serbia
5. Žarko Mišković, Univeristy of Belgrade, Faculty of Mechanical Engineering, Serbia
6. Ljiljana Tihaček-Šojić, Stomatoloski fakultet u Beogradu, Serbia
7. Lidija Matija, Mašinski fakultet Univerziteta u Beogradu, Serbia
Abstract