[2] IŽVOLT, L.: Railway substructure – stress, diagnostics, design, and implementation of body construction layers of railway subgrade. Scientific monograph, University of Žilina, 2008, 324 p. (in Slovak).
[3] IŽVOLT, L. - DOBEŠ, P. - PIEŠ, J.: Contribution to the modification of input data of sub-grade structure dimensioning for non-traffic load according to the ŽSR methodology. 16th International Conference on Railway Engineering Design & Operation, Lisbon, Portugal.
[5] DECKÝ, M.: Frost index evaluated from air temperature measurements since 1971 to 2006 in the territory of Slovakia. Silniční obzor, Vol. 71, No. 2, 2010, pp. 40 - 45 (in Slovak).
[7] IŽVOLT, L. - DOBEŠ, P. - PITOŇÁK, M.: Preliminary results and conclusions from the experimental monitoring of thermal regime of railway track structure. International Journal of Transport Development and Integration, Vol. 1, No. 3, 2017, pp. 529 - 539.10.2495/TDI-V1-N3-529-539
[9] IŽVOLT, L. - DOBEŠ, P. - HODAS, S.: Preliminary results and conclusions from mathematical modelling of thermal regime of railway track structure. International journal of computational methods and experimental measurements, Vol. 4, No. 2, 2016, pp. 69 - 79.10.2495/CMEM-V4-N2-69-79