1. 1) Accident Investigation Commission, "Report on the Train Derailment at Nakameguro Station on the Tokyo Metro Co. Hibiya Line," October 2000 (in Japanese).
2. 2) Takai, H., Uchida, M., Muramatsu, H. and Ishida, H., "Derailment Safety Evaluation Using Analytic Equations," Quarterly Report of RTRI, Vol.43, No.3, pp.119-124, September 2002.
3. 3) "Committee Report on Measures to Prevent Flange Climb Derailment on Sharp Curves," March 2004 (in Japanese).
4. 4) Miyamoto, T., Ikeda, H., Furukawa, A., Doi, H., and Ishida, H., "Measurement of Wheelset Angle of Attack on Curves," proceedings of J-Rail 2002, pp.97-100, November 2002 (in Japanese).
5. 5) Ishida, M., Ban, T., Takikawa, M. and Aoki, F., "Influential Factors in Rail/Wheel Friction Coefficients," proceedings of CM-2003, Gothenburg, Sweden, Vol.1, pp.23-27, June 2003.