1. Directive 98/69/EC of the European Parliament and of the Council of 13 October 1998 relating to measures to be taken against air pollution by emissions from motor vehicles and amending Council Directive 70/220/EEC. L 350/1, Official Journal of the European Communities, 1998.
2. System requirements for 2004 and subsequent model-year passenger cars, light-duty trucks, and medium-duty, Title 13, California Code Regulations, Section 1968.2, Malfunction and Diagnostic, 2003.
3. Internal Combustion Engine Fundamentals;Heywood,1988
4. M. Schmidt, F. Kimmich, H. Straky, R. Isermann, Combustion supervision by evaluating the crankshaft speed and acceleration, SAE paper 2000-01-0558, 2000.
5. S. Baik, J. Blanchard, M. Corradini, Development of micro-diesel injector nozzles via MEMS technology and effects on spray characteristics, SAE paper 2001-01-0528, 2001.