1. Integrated analysis of dynamic train–track interaction and rolling contact fatigue;Nielsen,2004
2. Influence of short pitch corrugation on rolling contact fatigue of railway wheels;Nielsen;Proc. Inst. Mech. Eng. F: J. Rail Rapid Transit.,2005
3. P. Gullers, X2 spårkraftsmätningar med hög frekvens (Measurements of high-frequency wheel–rail contact forces on X2, in Swedish), Report T00265-0000-12-RES, TrainTech Engineering Sweden AB, Stockholm, 2004, 34 pp.
4. High-frequency vertical wheel–rail contact forces—validation of a prediction model by field testing;Nielsen,2006
5. Testing and approval of railway vehicles from the point of view of their dynamic behaviour – Safety – Track fatigue – Ride quality. Code 518 R, 2nd ed., International Union of Railways (UIC), Paris, 2003, 77 pp.