1. Gesetz zur Neuregelung des Rechtsrahmens für die Förderung der Stromerzeugung aus erneuerbaren Energien (Act for the revision of the legal framework for the promotion of electricity generation from renewable energy sources);Anonymous;Bundesgesetzblatt Teil,2011
2. Investition Schwachstellenanalyse des Investitionsbereichs und Investitionsrechnung (Investment weak spot analysis of capital investment and capital budgeting);Blohm,2006
3. Economic assessment of biogas production from landscape management grass in the Lower Oder Valley National Park;Blokhina;Grassland Science in Europe,2009
4. Blumenstein, B., Möller, D., 2011. Bio-energy from semi-natural grasslands? Socio-economics and risk assessment of alternative grassland utilisation in disadvantaged areas, In: Pötsch, E.M., Krautzer, B., & Hopkins, A., (Eds.), Grassland Farming and Land Management Systems in Mountainous Regions, Grassland Science in Europe 16, 311–313.
5. Comparative life cycle assessment of the integrated generation of solid fuel and biogas from biomass (IFBB) and whole crop digestion (WCD) in Germany;Bühle;Biomass and Bioenergy,2011