1. Techno-Economic Feasibility Study of Biofuels in Greece;Agricultural University of Athens,2000
2. Ceuterick D., Spirinckx, 1997. Comparative LCA of biodiesel and fossil diesel fuel, VITO-report (1997/PPE/R/026).
3. Coulon, R., Camobreco, V., Sheenan J. and Duffield J., 1996. “Life cycle assessment of biodiesel versus petroleum biodiesel fuel”, Abstract Book of SETAC 17 Annual Meeting ‘Partnerships for the Environment: Science, Education and Policy’, published by Society of Environmental Toxicology and Chemistry (SETAC, Washington, D.C.), November 17–21, 1996.
4. Assessement of Greenhouse Gas Emissions in the Production and Use of Fuel Ethanol in Brazil;De Calvedo Macedo,2004