1. D.A. Pierpont, D.T. Montgomery, R.D. Reitz, in: SAE Paper 950217, 1995.
2. T. Alger, S. Hanhe, C.E. Roberts, T.W. Ryan, in: SAE Paper 2005-01-1135, 2005.
3. A. Cairns, H. Blaxill, G. Irlam, in: SAE Paper 2006-01-0047, 2006.
4. Relation between flame propagation characteristics and hydrocarbon emissions under lean operating conditions in spark-ignition engines
5. F. Zhao, D.N. Assanis, T.N. Asmus, J.E. Dec, J.A. Eng, P.M. Najt, Homogeneous Charge Compression Ignition (HCCI) Engines, SAE International, 2003.