1. Beikmann, R. S. (2001). Roll-down considerations in idle quality. SAE Paper No. 2001-01-1501.
2. Hartwig, M., Via, J. and Govindswamy, K. (2005). Evaluations of combustion parameters using engine speed fluctuation measurements. SAE Paper No. 2005-01-2533.
3. Heywood, J. B. (1988). Internal Combustion Engine Fundamentals. Int. Edn. McGraw-Hill. Singapore.
4. Kim, D. S. and Cho, Y. S. (2006). Idle performance of an SI engine with variations in engine control parameters. Int. J. Automotive Technology 7,7, 763–768.
5. Lee, J. Y. (2007). A Study on In-vehicle Torque Measurement of an Engine and Engine Accessories Using Bluetooth. Ph. D. Dissertation. School of Mechanical and Aerospace Engineering. Seoul Nat’l University. Seoul. Korea.