Ján Kostka
Technical University of Košice, Faculty of Mechanical Engineering, Košice, Slovakia
Peter Frankovský
Technical University of Košice, Faculty of Mechanical Engineering, Košice, Slovakia
František Trebuňa
Technical University of Košice, Faculty of Mechanical Engineering, Košice, Slovakia
Miroslav Pástor
Technical University of Košice, Faculty of Mechanical Engineering, Košice, Slovakia
František Šimčák
Technical University of Košice, Faculty of Mechanical Engineering, Košice, Slovakia