3Sebastian Strauss, Zeng Yangbing, David T Montgomery. Optimization of the E - TECTM Combustion System for Di- rect - Injected Two - Stroke Engines Toward 3 - Star Emissions[ C]. SAE Paper 2003 -32 -0007.
4Nathan Lorenz, Tim Bauer, Bryan Willson. Design of a Direct Injection Retrofit Kit for Small Two - Stroke Engines [ C ]. SAE Paper 2005 - 32 - 0095.
5Pontoppidan M, Arnone L, Marcacci M, et al. Comparative Study of the Capability of Mixture and Liquid Based GDI Configurations to Optimize a Lean -Stratified SI Combustion in a Two - Stroke, Small Displacement Engine [ C ]. SAE Paper 2001 - 01 - 1783.
6Hatano, Iida, Higashi, etc. Development of a new multi - mode variable valve timing engine [ C ]. SAE Special Publications, n 972, New Engine Design and Engine Component Technology, 1993,137 - 146.
