1. Possibilities of Particle Reduction for Diesel Engines;Widdershoven,1986
2. Diesel Engine Emissions Control for the 1990's;Richards,1988
3. Design Choices for 1990's Low Emission Diesel Engines;Gill,1988
4. Reduction of Diesel Exhaust Emissions by Using Oxidation Catalysts;Zelenka,1990
5. Code of Federal Regulations, Title 40, Part 86, Subpart N, Emission Regulations for New Gasoline- and Diesel-Fueled Heavy Duty Engines.