1. EC [European Commission] (2014). Energy-Efficiency Buildings, Energy Union and Climate. Retrieved from https://ec.europa.eu/energy/en/topics/energy-efficiency/buildings/ (date of last access: June 2015).
2. JRC [Joint Research Centre], Institute for Energy and Transport Luxembourg (2015). Energy Renovation: The Trump Card for the New Start for Europe. Retrieved from https://setis.ec.europa.eu/newsroom/news/energy-renovation-trump-cardnew-start-europe. (date of last access: April 2016).
3. Value based building renovation – a tool for decision making and evaluation;Jensen;Build. Environ.,2015
4. BPIE - Buildings Performance Institute Europe (2011). Europe's buildings under the microscope. Retrieved from http://bpie.eu/wp-content/uploads (date of last access: May 2018).
5. Kamari, A., Corrao, R., Petersen, S., & Kirkegaard, P.H. (2018a). Tectonic sustainable building design for the development of renovation scenarios – analysis of ten European renovation research projects. In SER4SE 2018 (seismic and energy renovation for sustainable cities) conference, Catania, Italy (ISBN: 978-88-96386-56-9), 645–656.