1. EN 13749: railway applications – methods of specifying structural requirements of bogie frames. CEN Brussels; 2005.
2. UIC 615-4: powered vehicles – bogies and running gear – strength tests of bogie frames. Paris; 1994.
3. Hobbacher A, editor. Recommendations for fatigue design of welded joints and components. IIW document XIII-2151-07/XV-1254-07. Welding Research Council New York, WRC-Bulletin 520; 2009.
4. Hänel B et al. FKM-Richtlinie – Rechnerischer Festigkeitsnachweis für Maschinenbauteile. (FKM-guideline – calculated strength assessment of mechanical engineering parts). VDMA Verlag, Frankfurt/M; 2002.
5. Kassner M. Bericht über Festigkeitsberechnungen zum Triebdrehgestellrahmen der RegioTram Kassel (report of strength calculation for motor bogie frame of RegioTram). Unpublished report of ALSTOM Transport Deutschland GmbH, Salzgitter; 2004.