1. Audi Diesel Targets Bin 5, Euro 6 (2015). http://www.sae.org/automag/technewsletter/080129DieselTech/04.htm
2. Guillemin, F., Grodin, O., Chauvin, J. and Nguyen, E. (2008). Combustion parameters estimation based on knock sensor for control purpose using dedicated signal processing platform. SAE Paper No. 2008-01-0790.
3. Hasegawa, M., Shimasaki, Y., Yamaguchi, S., Kobayashi, M., Sakamoto, H., Kitayama, N. and Kanda, T. (2006). Study on ignition timing control for diesel engines using in-cylinder pressure sensor. SAE Paper No. 2006-01-0180.
4. Hagena, J. R., Filipi, Z. S. and Assanis, D. N. (2006). Transient diesel emissions: Analysis of engine operation during a tip-in. SAE Paper No. 2006-01-1151.
5. Hong, K. (2008). A Study on the Effect of Multiple Injection on Common Rail HSDI Diesel Engine Performance and Emissions. M. S. Thesis. Seoul National University. Seoul, Korea.