BØGGILD, O. B. Gunnbjarnite, a new mineral from East Greenland. Meddelelser om Grønland, [S. l.], v. 142, n. 8, p. 3–11, 1951. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/166377. Acesso em: 10 apr. 2026.