1. J.H. Lee, M.J. Paratore, D.B. Brown, SAE Technical Paper 2008-01-0072 (2008).
2. Y. He, D.B. Brown, S. Lu, M.J. Paratore, J. Li, SAE Technical Paper 2009-01-0274 (2009).
3. T. Ballinger, J. Cox, M. Konduru, D. De, W. Manning, P. Andersen, SAE Technical Paper 2009-01-0910 (2009).
4. J. Tan, C. Solbrig, S.J. Schmeig, SAE Technical Paper 2011-01-1140 (2011).
5. M. Naseri, S. Chatterjee, M. Castagnola, H.-Y. Chen, J. Fedeyko, H. Hess, J. Li, SAE Technical Paper 2011-01-1312 (2011).