1. 1) Kunieda, M., "Theory and Experiment on Vertical Vibration of Rolling Stock Equipped with Air Springs," Railway Technical Research Report, Vol.3, No.6, 1958 (In Japanese).
2. 2) Oda, N. and Nishimura, S., "Vibration of Air Suspension Bogies and Their Design," Bulletin of JSME, Vol.13, No.55, 1970.
3. 3) Koyanagi, S., "Methods of Vibration Isolation of A Railway Vehicle Suspended by Air Springs," Railway Technical Research Report, Vol.3, No.1,137, 1980 (In Japanese).
4. 4) Japanese Industrial Standards E 4206 "Spring Rigging for Railway Rolling Stock"
5. 5) Berg, M., "A Three-Dimensional Air-spring Model with Friction and Orifice Damping," Proceedings of the 16th IAVSD Symposium on the Dynamics of Vehicles on Roads and Tracks, Pretoria, South Africa, 1999. Journal of Vehicle System Dynamics, 33.