1. RED Directive 2009/28/EC of the European Parliament and of the Council of 23 April 2009 on the promotion of the use of energy from renewable sources and amending and subsequently repealing Directives 2001/77/EC and 2003/30/EC. 2009/28,2009
2. Roadmaps of how each Member State of the European Union expects to reach its legally binding 2020 target for the share of renewable energy in their final energy consumption,2010
3. Renewable energy projections as published in the national renewable energy action plans of the European Member states;Beurskens,2011
4. Analysis of the quantitative tables of the national renewable energy action plans prepared by the 27 European Union Member States in 2010;Dees,2011
5. Mantau U, Saal U, Prins K, Steierer F, Lindner M, Verkerk H, et al. EU wood – real potential for changes in growth and use of EU forests; 2010. p. 160. Available from: http://ec.europa.eu/energy/renewables/studies/doc/bioenergy/euwood_final_report.pdf [retrieved 14.10.2013].