VANGKILDE-PEDERSEN, Thomas; DITLEFSEN, Claus; LAJER HØJBERG, Anker. Shallow geothermal energy in Denmark. GEUS Bulletin, Copenhagen, Denmark, v. 26, p. 37–40, 2012. DOI: 10.34194/geusb.v26.4746. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/4746. Acesso em: 3 nov. 2025.