Ižvolt, L., P. Dobeš, and M. Mečár. “TESTING THE SUITABILITY OF THE EXTRUDED POLYSTYRENE (STYRODUR) APPLICATION IN THE TRACK SUBSTRUCTURE”. Acta Polytechnica, vol. 60, no. 3, July 2020, pp. 243-51, doi:10.14311/AP.2020.60.0243.