1. Biofuels Derived from Vegetable Oils and Fats;Knothe,2001
2. Combustion of Fat and Vegetable Oil Derived Fuels in Diesel Engines;Graboski;Prog. Energy Combust. Sci.,1998
3. Biodiesel: The Use of Vegetable Oils and Their Derivatives as Alternative Diesel Fuels;Knothe,1997
4. Analysis of Biodiesel Exhaust Emissions and Determination of Environmental and Health Effects;Krahl,1996
5. Krahl , J. A. Münack M. Bahadir L. Schumacher N. Elser Survey About Biodiesel Exhaust Emissions and Their Environmental Benefits Ibid. 136 148