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Author(s):
1. Milan Sljivic, Faculty of Mechanical Engineering,
Republic of Srpska, Bosnia and Herzegovina
2. Dejan Đurđević, Medicinski fakultet Banja Luka ,
Republic of Srpska, Bosnia and Herzegovina
3. Nataša Šljivić, Medicinski fakultet Banja Luka ,
Republic of Srpska, Bosnia and Herzegovina
4. Jovica Ilić, Faculty of Mechanical Engineering,
Republic of Srpska, Bosnia and Herzegovina