1. Anonymous, “Japanese 6 Mode Test for Heavy Duty Engine Exhaust: Emissions”, Ministry of Transportation document TRIAS 24-2 1974, Japan (1974).
2. Catalytic Control of NOX, CO and NMHC Emissions from Stationary Diesel and Dual-Fuel engines;Bittner;J. of Engineering for Cas Turbines and Power,1992
3. Checkel, M. D., B. Liu, M. Zheng and E. Mirosh, “A Special Catalytic Converter for Dual Fuel Engine Light Load Emissions”, 1998 Spring Technical Meeting, Combustion Institute, Canadian Section, 25-27 May, Toronto, ON (1998).
4. Catalytic Diesel Exhaust Aftertreatment;Clerc;Applied Catalysis B: Environmental,1996
5. Corbo, P., M. Cambino, S. Lannaccone and A. Unich, “Comparison Between Lean-Burn and Stoichiometric Technologies for CNG Heavy-Duty Engines”, SAE950057 (1995).