Authors
Zdenka Bulková
zdenka.bulkova@fpedas.uniza.sk
Faculty of Operation and Economics of Transport and Communications, University of Žilina
Milan Dedík
Faculty of Operation and Economics of Transport and Communications, University of Žilina
Jozef Gašparík
jozef.gasparik@fpedas.uniza.sk
Faculty of Operation and Economics of Transport and Communications, University of Žilina
Rudolf Kampf
Faculty of Technology, Institute of Technology and Business in České Budějovice