UPTON, Brian G. J. Geology of Tugtutôq and neighbouring islands, South Greenland, Part I. Meddelelser om Grønland, [S. l.], v. 169, n. 8, p. 1–60, 1962. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/160430. Acesso em: 28 dec. 2025.