Milan Sága
Department of Applied Mechanics, Faculty of Mechanical Engineering, Univerzity of Žilina, Žilina, Slovak Republic
Peter Pecháč
Department of Applied Mechanics, Faculty of Mechanical Engineering, Univerzity of Žilina, Žilina, Slovak Republic
Milan Vaško
Department of Applied Mechanics, Faculty of Mechanical Engineering, Univerzity of Žilina, Žilina, Slovak Republic