%0 Journal Article %T Review of Survey activities 2011: Shallow geothermal energy in Denmark %A Vangkilde-Pedersen %A T. %A Ditlefsen %A C. %A H£żjberg %A A.L. %J Geological Survey of Denmark and Greenland Bulletin %D 2012 %I Geological Survey of Denmark and Greenland %K Geological Survey of Denmark and Greenland %K survey organisations %K current research %K Denmark %K Greenland %U http://www.geus.dk/publications/bull/nr26/nr26_p37-40.pdf