1. Dokka, T.H., Sartori, I., Tyholt, M., Lien, K., Byskov Lindberg, K., 2013. A Norwegian Zero Emission Building Definition. In: Passivhus Norden 2013. Gothenburg, Sweden.
2. ECF, 2010. Roadmap 2050: A Practical Guide to a Prosperous, Low-Carbon Europe, European Climate Foundation.
3. EN 15978, 2011. Sustainability of construction works. Assessment of Environmental Performance of Buildings. Calculation Method.
4. EPIA, 2014. Solar Photovoltaic Technology, EPIA – European Photovoltaic Industry Association.
5. European Commission, 2012. Energy Roadmap 2050, Publications Office of the European Union.