1. Zhao F, Asumus T, Assanis D, Dec J, Eng J, Najt P. Homogeneous charge compression ignition (HCCI) engines, key research and development issues. SAE International SP-94, 2003.
2. Zheng M, Tan Y, Mulenga MC, Wang M. Preliminary thermal efficiency analyses of diesel low temperature combustion cycles. SAE International Technical Paper No. 2007-01-4019, 2007.
3. Diesel engine exhaust gas recirculation-a review on advanced and novel concepts;Zheng;Journal of Energy Conversion and Management,2004
4. Helmantel A, Denbratt I. HCCI operation of a passenger car common-rail DI diesel engine with early injection of conventional diesel fuel. SAE International Technical Paper No. 2004-01-0935, 2004.
5. Kodama Y, Nishizawa I, Sugihara T, Sato N, Iijima T, Yoshida T. Full-load HCCI operation with variable valve actuation system in a heavy-duty diesel engine. SAE International Technical Paper No. 2007-01-0215, 2007.