Anna Dolinayová, Igor Dömény, Jan Jansák, and Peter Šulko. 2021. “Single European Railway Area and the Problem of Rail Infrastructure Charges - Case Studies in V4 Countries”. Communications - Scientific Letters of the University of Zilina 23 (4), A208-A222. https://doi.org/10.26552/com.C.2021.4.A208-A222.