CALLISEN, Karen. Igneous rocks of the Ivigtut region, Greenland. Part I. The nepheline syenites of the Grønne Dal - Ika area. Meddelelser om Grønland, [S. l.], v. 131, n. 8, p. 74 pp., 2 plates., 2026. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/166974. Acesso em: 10 apr. 2026.