Authors
Lenka Černá
University of Žilina, Department of Railway transport, Faculty of operation and economics of transport and communications, Slovak Republic
Daniel Pribula
University of Žilina, Department of Railway transport, Faculty of operation and economics of transport and communications, Slovak Republic
Zdenka Bulková
University of Žilina, Department of Railway transport, Faculty of operation and economics of transport and communications, Slovak Republic
Borna Abramović
University of Žilina, Department of Railway transport, Faculty of operation and economics of transport and communications, Slovak Republic