1. World Energy Assessment Overview 2004;Goldemberg,2004
2. Directive 2001/77/EC on the Promotion of Electricity Produced from Renewable Energy Sources in the Internal Energy Market;Off. J.,2001
3. Long-Term Low Greenhouse Gas Emission Development Strategy of the European Union and Its Member States,2020
4. The European Green Deal-European Parliament Resolution of 15 January 2020 on the European Green Deal (2019/2956(RSP))https://www.europarl.europa.eu/doceo/document/TA-9-2020-0005_EN.html
5. Technology Roadmap: Delivering Sustainable Bioenergy;International Energy Agency,2017