1. Maintenance Costs of High-Speed Lines in Europe;López-Pita;State of the Art, Transport Res Rec,2008
2. Modelling and experiment of railway ballast vibrations;Zhai;J Sound Vib,2004
3. Schmitt L. Recent SNCF research on ballasted high speed track fatigue behaviour. In: Track for High-Speed Railways, FEUP; 2006. p. 1–21.
4. European Union, Roadmap to a Single European Transport Area – Towards a competitive and resource efficient transport system, Tech. rep., European Union; 2011.
5. Track Geotechnology and Substructure Management;Selig;Thomas Telford Publishing,1994