Darina Hroncová
Technical University of Košice, Faculty of Mechanical Engineering, Letná 9, 042 00 Košice, Slovakia
Peter Frankovský
Technical University of Košice, Faculty of Mechanical Engineering, Letná 9, 042 00 Košice, Slovakia
Ivan Virgala
Technical University of Košice, Faculty of Mechanical Engineering, Letná 9, 042 00 Košice, Slovakia
Ingrid Delyová
Technical University of Košice, Faculty of Mechanical Engineering, Letná 9, 042 00 Košice, Slovakia