1. A system inversion approach on a crankshaft of an internal combustion engine;Andersson,2004
2. Torque ratio concept for combustion phasing detection of a spark ignited engine;Andersson,2004
3. Andersson, I., McKelvey, T., & Thor, M. (2008). Evaluation of a closed loop spark advance controller based on a torque sensor. SAE Technical Paper Series 2008-01-0987.
4. An analytic model for cylinder pressure in a four stroke SI engine;Eriksson;SAE 2002 Transactions: Journal of Engines,2002
5. Gatowski, J. A., Balles, E. N., Chun, K. M., Nelson, F. E., Ekchian, J. A., & Heywood, J. B. (1984). Heat release analysis of engine pressure data. SAE Technical Paper 841359.