1. International Combustion Engine Fundamentals;Heywood,1989
2. American Society for Testing Materials: Designation D 2699-01a, Standard Test Method for Research Octane Number for spark-Ignition Engine Fuel, 2001.
3. American Society for Testing Materials: Designation D 2700-01a, Standard Test Method for Motored Octane Number for spark-Ignition Engine Fuel, 2001.
4. M. Leiker, W. Cartelliere, H. Christoph, U. Pfeifer, M. Rankl, Evaluation of Anti-Knock Property of Gaseous Fuels by Means of the Methane Number and Its Practical Application, ASME paper 72-DGP-4, April 1972.
5. Experimental and kinetic study of autoignition in methane/ethane/air and methane/propane/air mixtures under engine-relevant conditions