BONDAM, Jan; FERGUSON, J. An occurrence of villiaumite in the Ilímaussaq Intrusion, South Greenland. Meddelelser om Grønland, [S. l.], v. 172, n. 2, p. 1–13, 1962. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/158679. Acesso em: 28 dec. 2025.