1. European Parliament and Council of the European Union. Directive 2009/28/EC of 23 April on the promotion of the use of energy from renewable sources and amending and subsequently repealing Directives 2001/77/EC and 2003/30/EC.
2. 2011 Annual statistical report on the contribution of biomass to the energy system in the EU27;AEBIOM-European Biomass Association,2011
3. Growing short rotation coppice: best practice guidelines for applicants to Defra’s energy crops scheme;Department for Environment, Food and Rural Affairs (DEFRA),2004
4. Yield and spatial supply of bioenergy poplar and willow short-rotation coppice in the UK;Aylott;New Phytol,2008
5. Schnellwachsende Baumarten auf landwirtschaftlichen Flächen;Boelcke,2006