1. (1) Yamamoto, A., Micro-pressure wave radiated from tunnel exit (in Japanese), Preprint of the Spring Meeting of Physical Society of Japan, (1977), p. 137.
2. (2) Ozawa, S., Studies of micro-pressure wave radiated from a tunnel exit (in Japanese), Railway Technical Research Report, No. 1121 (1979), Japanese National Railways.
3. (3) Maeda, T., Aerodynamic characteristics of train and countermeasures for decreasing micro-pressure wave (in Japanese), RTRI report, Special No. 20 (1998), Railway Technical Research Institute.
4. (4) Iida, M., Matsumura, T., Fukuda, T., Nakatani, K., Maeda, T., Optimization of train nose shape for reducing impulsive pressure wave from tunnel exit (in Japanese), Transactions of the Japan Society of Mechanical Engineers Series B, Vol. 62, No. 596 (1996), pp. 1428-1435.
5. (5) Fukuda, T., Ozawa, S., Iida, M., Takasaki, T., Wakabayashi, Y., Distortion of compression wave propagating through very long tunnel with slab tracks, JSME International Journal Series B, Vol. 49, No. 4 (2006), pp. 1156-1164.