4Yang Fuqiang. Incentives and Policy Stimulation for Clean Fuel Development in China [ R ]. Clean Fuels-CNG/NGVHybrids-Fuel Cells China/Asia, Beijing, 2005.
5Johansson B, Krister Olsson. Combustion Chamber for Natural Gas SI Engines Part 1 : Fluid Flow and Combstion [ C ].SAE Paper 950469, 1995.
6Olsson K, Johansson B. Combustion Chambers for Natural Gas SI Engines Part 2: Combustion and Emissions [ C ].SAE Paper 950517,1995.
7Patrik Einewall, Bengt Johansson. Combustion Chambers for Supercharged Natural Gas Engines [ C ]. SAE Paper 970221,1997.
8Umierski M, Korfer T H, Stommel P. Low Emission and Fuel Consumption Natural Gas Engines with High Power Density for Stationary and Heavy-Duty Application [ C ].SAE Paper 1999-01-2896, 1999.
9Evans R L. Internal Combustion Engine Squish Jet Combustion Chamber[P]. US:Patent 4,572,123, 1986.