1. Clean Fuels, Dirty Air;Adler,1992
2. Power to burn: A history of the spark-ignition engine;Amann;Mech Eng,1990
3. Reformulated gasoline;Anderson,1997
4. Auto/Oil Air Quality Improvement Research Program (AQIRP). Program Final Report. Coordinating Research Council, Atlanta, GA, 1997.
5. Brown W. Carmakers issue alert on additive; maker denies MMT is harmful. The Washington Post, March 29, 1996:F3.