1. M. S. Howe, M. Iida, T. Fukuda and A. Maeda, Theoretical and experimental investigation of the compression wave generated by a train entering a tunnel with a flared portal, J. Fluid Mech., Cambridge University Press, 425 (2000) 111–132.
2. M. S. Howe, On the compression wave generated when a high–speed train enters a tunnel with a flared portal, Journal of Fluids and Structures, Academic Press, 13 (1999) 481–498.
3. R. Raghunathan, H. D. Kim and T. Setoguchi, Aerodynamics of high–speed railway train, Progress in Aerospace Science, 38 (2002) 469–451.
4. M. Bellenoue, V. Moriniere and T. Kageyama, Experimental 3–D simulation of the compression wave, due to train–tunnel entry, Journal of Fluids and Structures, Elsevier Science Ltd., 16 (5) (2002) 581–595.
5. S. Ozawa, Studies of micro–pressure wave radiated from a tunnel exit, Railway Tech. Res. Inst., Japanese National Railways, Rep. (1979) 1121.