Autori:
1. Mirsad Trobradović, Faculty of Mechanical Engeneering, Sarajevo, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina
2. Ivan Filipović, Faculty of Mechanical Engeneering, Sarajevo, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina
3. Almir Blazevic, University of East Sarajevo, Faculty for Mechanical Engineering East Sarajevo, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina

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