Аутори:
1. Mihailo Lazarevic, Машински факултет Универзитета у Београду, Serbia
2. Petar Mandić, Univeristy of Belgrade, Faculty of Mechanical Engineering, Serbia
3. Тихомир Латиновић, Faculty of Mechanical Engineering,
Republic of Srpska, Bosnia and Herzegovina
4. Trygve Thomessen, PPM AS, Norway