1. e.g., Ikegami,M., et al., A Study of a Direct-Injection High-Compression Engine Fueled with CNG, Trans. JSAE (in Japanese), Vol.24, No.4, pp.64-69, 1993.
2. e.g., Sakonji,T., et al., The Effect of Gas Composition on Gas Engine Rating (2nd Report), Proc. JSME (in Japanese), No.940-30, pp.359-361, 1994.
3. e.g, Sudo,H., et al., Study of Methanol Engines (I), Trans. JSAE (in Japanese), No.16, pp.17-23, 1978.
4. Ikegami,M., et al., A Butane-Fuelled High-Compression Engines, Trans. JSME B (in Japanese), Vol.52, No.479. pp.2761-2767, 1986.
5. Adachi,M., et al., Measurement of Fuel Vapor Concentration in Flash Boiling Spray by Infrared Extinction / Scattering Technique, J.ILASS-Japan (in Japanese), Vol.5, No.9, pp.26-34, 1996.