BONDESEN, Erling; PEDERSEN, Kaj Raunsgaard; JØRGENSEN, Ole. Precambrian organisms and the isotopic composition of organic remains in the Ketilidian of South-West Greenland. Meddelelser om Grønland, [S. l.], v. 164, n. 4, p. 1–41, 1967. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/160933. Acesso em: 28 dec. 2025.