1. Biomass to hydrogen for the realization of closed cycles of energy resources;Orecchini;Energy,2007
2. Goldemberg J and United Nations Development P. World energy assessment: energy and the challenge of sustainability. United Nations Development Programme, 2000.
3. NYBOT. New York Board of Trade Historical Sugar, no. 11 price, 2006.
4. Morand A, Brown, M., Casten, T. Bagasse cogeneration–global review and potential. WADE, 15 Great Stuart Street Edinburgh UK, 2004.
5. FAO. FAOSTAT ProdSTAT module, 2005.