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