1. Modern Railway Track;Esveld,2001
2. Out-of-round railway wheels – assessment of wheel tread irregularities in train traffic;Johansson;Journal of Sound and Vibration,2006
3. Three Dimensional Elastic Bodies in Rolling Contact;Kalker,1990
4. D.J. Thompson, M.H.A. Janssens, F.G. de Beer, TWINS: Track-Wheel Interaction Noise Software, theoretical manual (version 3.3). TNO report MON-RPT-033-DTS-2009–03455, TNO Den Haag, 2014.
5. Contact Mechanics;Johnson,1985