1. EN 13103+A2:2012 Railway applications – wheelsets and bogies – non powered axles – design method; July 2012.
2. EN 13260+A1:2010 Railway applications – wheelsets and bogies – axles – product requirements; October 2010.
3. EN 15313:2010 Railway applications – in-service wheelset operation requirements – in-service and off-vehicle wheelset maintenance; April 2010.
4. Köhler G. Strength design of axles: historical development and outlook. In: 12th International Railway Congress, September 12, 2012, Dresden.
5. Klinger C, Bettge D, Häcker R, Heckel T, Gohlke D, Klingbeil D. Schadensanalyse zum Radsatzwellenbruch ICE3. In: 43rd conference of DVM working group fracture mechanics, Berlin, February 22–23, 2011. 2011; p. 1–6.