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[8] S. Kaewunruen, A. Aikawa, A.M. Remennikov, “Vibration attenuation at rail joints through under sleeper pads”. Procedia Engineering 189: pp. 193-198, 2017. https://doi.org/10.1016/j.proeng.2017.05.031
[9] A. Omodaka, T. Kumakura, T. Konishi, “Maintenance reduction by the development of resilient sleepers for ballasted track with optimal under-sleeper pads”, Procedia CIRP 59: pp. 53–56, 2017. https://doi.org/10.1016/j.procir.2016.09.039
[10] T. Abadi, L. Le Pen, A. Zervos, W. Powrie, “Effect of Sleeper Interventions on Railway Track Performance”, Journal of Geotechnical and Geoenvironmental Engineering 145(4): 04019009, 2019. https://doi.org/10.1061/(ASCE)GT.1943-5606.0002022
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[12] C. Kraśkiewicz, A. Zbiciak, A. Al Sabouni-Zawadzka, A. Piotrowski, “Experimental Research on Fatigue Strength of Prototype under Sleeper Pads Used in the Ballasted Rail Track Systems”, Archives of Civil Engineering 66(1): pp. 241–255, 2020. https://doi.org/10.24425/ace.2020.131786
[13] Zbiciak, C. Kraśkiewicz, Al Sabouni-Zawadzka, J. Pełczyński, S. Dudziak, “A Novel Approach to the Analysis of Under Sleeper Pads (USP) Applied in the Ballasted Track Structures”, Materials 13(11): p. 2438, 2020. https://doi.org/10.3390/ma13112438
[14] IRS 70713-1: Railway Application – Track & Structure “Under Sleeper Pads (USP) - Recommendations for Use”, 1st edition 01.04.2018.
[15] PN-EN 16730:2016-08 Railway applications – track – concrete sleepers and bearers with under sleeper pads.
[16] RFI TCAR SF AR 03 007 C, Specifica tecnica di fornitura: Tappetini sotto traversa (USP), 2017.
[17] SNCF IG04013 Traverses et supports béton pour pose ballastée équipées de semelles résilientes en sous faces (ex CT IGEV 016) 14.08.2018.