NIELSEN, Arne Thorshøj; DAM, Gregers; CLEMMENSEN, Lars; HAMBERG, Lars. Bornholms geologi II - Palæozoikum. Varv, [S. l.], v. 1988, n. 3, p. 83–112, 1988. DOI: 10.7146/varv.v1988i3.144799. Disponível em: https://tidsskrift.dk/varv/article/view/144799. Acesso em: 6 dec. 2025.