[Serra , T. et al. 2009. Price Transmission in the US Ethanol Market. Handbook of Bioenergy Economics and Policy, Springer New York, vol. 33, 2009.]Search in Google Scholar
[The Market analysis Oils and Fats for Fuel. 2009. Productshap MVO, Product Board for Margarine, Fats and Oils. 2009. http://www.mvo.nl/LinkClick.aspx?fileticket=zvRa%2ByU0mu4%3D (online 2011-9-14). Thuijl, E. et al. 2003. An Overview of biofuel Technologies, markets and Policies in Europe. Energy research Centre of the Netherlands, 2003. http://www.ssc.it/pdf/2005/biofuel_UE2005.pdf. (online 2011-8-14).]Search in Google Scholar
[Woods, J. et al. 2010. Energy and the food system. Philosophical Transactions of the Royal Society B 365, 2991-3006. www.usda.gov 10.1098/rstb.2010.0172293513020713398]Search in Google Scholar