1. Editorial committee of pocketbook for railway technology ed., Pocket handbook for railway technology (2012), pp.471–497, Ohmsha. Ltd (in Japanese).
2. Hori, Y., Yasuoka, K., Obi, M., Kaji, T., Odaka, T. and Motohashi, K., Innovation of railroad switch system –Development of next-generation railroad switch, JR East Technical Review, No.2 (2003), pp.64–68 (in Japanese).
3. Igarashi, Y., Tasks and method of improving lock system of the NS-A type electric switching machine, Railway Technical Research Institute report, Vol.23, No.1 (2009), pp.29–32 (in Japanese).
4. Kondo, Y., Shimamoto, T., Hatano, A., Izumi, S., Sakai, S., Higuchi, H., Suzuki, M. and Kato, T., Finite element modelling for the wear prediction of front rod of railroad switch due to the impact vibration caused by train passage, Transactions of the JSME (in Japanese), Vol. 81, No. 832 (2015), DOI:10.1299/transjsme.15-00286.
5. Koro, K., Abe, K., Ishida, M. and Suzuki, T., Influence of ballast and substrate models on simulated impact response in rail joints of railway track, Japan society of civil engineers applied mechanics papers, Vol.7 (2004), pp.1–11 (in Japanese).