1. Political Energy Agreement, Danish Energy Agency, 22 March 2012.
2. Danish Energy Agency, Energistatistik, 2010.
3. Directive 2010/31/EU of the European Parliament and of the Council of 19 May 2010 on the energy performance of buildings (recast), Official Journal of the European Union, May 2010.
4. Danish Energy Regulatory Authority, Building Code 2010, 2010.
5. TABULA, Typology Approach for Building Stock Energy Assessment, Institut Wohnen und Umwelt GmbH, www.building-typology.eu.