1. UIC. Facing the winter challenges for railways in Europe – “winter & railways” fact sheet “root causes – rolling stock and infrastructure”, Paris, France: International Union of Railways (UIC), 2010, pp. 8.
2. Kloow L. High-speed train operation in winter climate, Stockholm, Sweden: KTH Railway Group Publication 1106. Transrail Publication BVF5 R2, 2011, pp. 77.
3. Track deflection and stiffness measurements from a track recording car