Authors
Jozef Ondriga
University of Žilina, Department of Design and Mechanical Elements, Žilina, Slovakia
Slavomír Hrček
slavomir.hrcek@fstroj.uniza.sk
University of Žilina, Department of Design and Mechanical Elements, Žilina, Slovakia
František Brumerčík
frantisek.brumercik@fstroj.uniza.sk
University of Žilina, Department of Design and Mechanical Elements, Žilina, Slovakia
Michal Lukáč
University of Žilina, Department of Design and Mechanical Elements, Žilina, Slovakia