Authors
Lukáš Čechovič
lukas.cechovic@fpedas.uniza.sk
Faculty of Operation and Economics of Transport and Communications, University of Žilina, Žilina
Adrián Šperka
Faculty of Operation and Economics of Transport and Communications, University of Žilina, Žilina
Jozef Gašparík
jozef.gasparik@fpedas.uniza.sk
Faculty of Operation and Economics of Transport and Communications, University of Žilina, Žilina