1. European Commission, Directorate-General for Energy, EU energy in figures : Statistical pocketbook 2021, Publications Office. Available online: https://data.europa.eu/doi/10.2833/975418.
2. ODYSEE-MURE Data Tools, Enerdata Intelligence & Consulting. Available online: http://www.odyssee-mure.eu/data-tools.
3. European Commission, The European Green Deal, COM (2019) 640 final, Brussels, 11.12.2019. https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=COM%3A2019%3A640%3AFIN.
4. European Commission, A Renovation Wave for Europe - greening our buildings, creating jobs, improving lives, COM (2020) 662 final, Brussels, 14.10.2020. https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A52020DC0662.
5. The evolution of building energy retrofit via double-skin and responsive façades: A review;Ascione;Solar Energy,2021