1. EN 10 025-3: Hot rolled products of structural steels. Part 3: Technical delivery conditions for normalized/normalized rolled weldable fine grain structural steels (2005)
2. EN 12 663-2: Railway applications. Structural requirements of railway vehicle bodies. Part 2: Freight wagons. European Committee for Standardization (2011)
3. Commission Decision 2006/861/ES (Annex J) of 28 July 2006 and Commission decision of 23 January 2009 amending Decisions 2006/861/ES and 2006/920/EC (2009/107/ES)
4. ERRI B12/RP17, No. 8: Programme of Stresses to be carried out on Wagons with Steel Underframe and Body Structure. European Rail Research Institute (1996)
5. Vibration Analysis of a Coach with the Wheel-flat Due to Suspension Parameters Changes