ANDERSEN, Steen. 2. On Beryllite and Bertrandite from Ilímaussaq Alkaline Intrusion, South Greenland. Meddelelser om Grønland, [S. l.], v. 181, n. 4, p. 11–19, 1967. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/153069. Acesso em: 28 dec. 2025.