1. Barker T, et al. Technical summary. In: Metz B, Davidson OR, Bosch PR, Dave R, Meyer LA, editors. Climate change 2007: Mitigation. Contribution of working group III to the fourth assessment report of the intergovernmental panel on climate change. Cambridge (UK) and New York (NY, USA): Cambridge University Press; 2007
2. Energy in Sweden. Facts and figures. Eskilstuna (Sweden): Swedish Energy Agency. ; 2008 [accessed 03.0.6.09].
3. Sassner P. Lignocellulosic ethanol production based on steam pretreatment and SSF. PhD thesis. Sweden: Lund University; 2007.
4. Ethanol pilot plant – an introduction. SEKAB. [accessed 02.06.09].
5. Ethanol from softwood – techno-economic evaluation for development of the enzymatic process;Wingren,2005