MICHELSEN, Olaf; BERTELSEN, Finn; PRIISHOLM, Søren; HOLM, Lise; GOSK, Edmund; LAYER, Troels. Geotermisk energi i Danmark. Varv, [S. l.], v. 1978, n. 4, p. 105–115, 1978. DOI: 10.7146/varv.v1978i4.149507. Disponível em: https://tidsskrift.dk/varv/article/view/149507. Acesso em: 6 dec. 2025.