1. Internal Combustion Engine Fundamentals,;Heywood,1988
2. A model for predicting residual gas Fraction in Spark Ignition Engines;Heywood;SAE Paper 931025,1993
3. Measurement of Residual Gas Fraction using a Fast Response NO Sensor.;Ford;SAE Paper 1999-01-0208.,1999
4. Cycle-By-Cycle Mixture Strenght and Residual-Gas Measurements During Cold Starting.;Quader;SAE Paper 1999-01-1107.,1999
5. Comparison of Analytically and Experimentally Obtained Residual Fractions and NOx Emissions in Spark-Ignited Engines.;Miller;SAE Paper 982562.,1998