1. FAO. Bioenergy, food security and sustainability – towards an international framework. HLC/08/INF/3. Rome; 2008.
2. Biofuel support policies in Europe: lessons learnt for the long way ahead;Wiesenthal;Renew Sustain Energy Rev,2009
3. The potential for biomass and energy crops in agriculture, in Europe, in land use, policy and rural economy terms;Askew;International Sugar Journal,2002
4. United States Department of Agriculture (USDA). Bio-fuels: an alternative future for agriculture. GAIN Report Number: CH6049; 2006.
5. How biofuels could starve the poor;Runge;Foreign Affairs,2007