1. European Union Energy Policy Evolutionary Patterns;Cotella,2016
2. Decision No 406/2009/EC of the European Parliament and of the Council of 23 April 2009 on the Effort of Member States to Reduce Their Greenhouse Gas Emissions to Meet the Community’s Greenhouse Gas Emission Reduction Commitments up to 2020https://ec.europa.eu/clima/policies/strategies/2020_en#tab-0-1
3. Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions A Policy Framework for Climate and Energy in the Period from 2020 to 2030https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:52014DC0015
4. Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions and the European Investment Bank, A Clean Planet for all A European Strategic Long-Term Vision for a Prosperous, Modern, Competitive and Climate Neutral Economyhttps://eur-lex.europa.eu/legal-content/EN/ALL/?uri=CELEX:52018DC0773
5. Energy Technology Perspectives 2016, Flagship Reporthttps://www.iea.org/reports/energy-technology-perspectives-2016