1. European Parliament and the Council of the European Union, Directive (EU) 2018/844 of May 2018 amending Directive 2010/31/EU on energy performance of buildings. available on the site: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=uriserv%3AOJ.L_.2018.156.01.0075.01.ENG (Accessed January 2019).
2. European Commission, The Energy Performance of Buildings Directive, 2019. Available at: https://ec.europa.eu/energy/sites/ener/files/documents/buildings_performance_factsheet.pdf (Accessed January 2019).
3. European Parliament and the Council of the European Union, Directive 2010/31/EU of the European Parliament and of Council of 19 May 2010 on the energy performance of buildings (EPBD recast). Official Journal of the European Union. pp. 13-25.
4. C. Hopfe, The Passivhaus Designer's Manual: A Technical Guide To Low And Zero Energy Buildings, 2015.
5. A high performance home in the Mediterranean climate: from the design principle to actual measurements;Causone;Energy Proced.,2017