1. Eurostat Database;EC,2015
2. Energy in Sweden 2013;SEA,2014
3. Energy Efficiency Policies and Measures in Sweden;SEA,2012
4. Boverket's Mandatory Provisions on the Amendment to the Board's Building Regulations (2011:6) –mandatory Provisions and General Recommendations (Boverkets Föreskrifter Om Ändring I Verkets Byggregler (2011:6) - Föreskrifter Och Allmänna Råd);Valik,2015
5. District Heating and Cooling;Frederiksen,2013