References
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- Tran Dang Quoc, Kwangju Lee, Changhee Byun, Daewoo Nam, JongTai Lee, "Experimental Study to Expend the Lean Limit for Heavy-Duty Direct Injection Natural Gas Spark Fueled Spark Ignition engine", KSAE 2010.11 Annual Conference and Exhibition, pp 21.
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- Jari Hyvoenen, Carl Wilhelmsson and Bengt Johansson "The Effect of Displacement on Air- Diluted Multi-Cylinder HCCI Engine Performance", SAE International 2006, pp. 123-139.
- Kiyoshi Kawasaki, Akihiro Takegoshi and Koji Yamane, Hiroyuki Ohtsubo, Tohru Nakazono and Kazuyuki Yamauchi "Combustion Improvement and Control for Natural Gas HCCI Engine by the Internal EGR by Means of Intake-valve Pilot-opening", SAE International 2006, pp. 169-176.
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