1. Railway Technical Research Report;T Hara,1960
2. Railway Technical Research Report;S Ozawa,1976
3. Railway Technical Research Report;S Ozawa,1979
4. Sajben M. Fluid mechanics of train-tunnel systems in unsteady motion.AIAA Journal, 1971, 9: 1538–1645
5. Matsuo K, Aoki T. Wave problems in high-speed railway tunnels. In: Takayama K ed. Proc of the 18th Int Symp on Shock Waves, Sendai, Japan, 1991-7-21-26. Berlin: Springer Verlag, 1991. 95–102