WALTON, B. J. Sanerutian Appinitic Rocks and Gardar Dykes and Diatremes, North of Narssarssuaq, South Greenland. Meddelelser om Grønland, [S. l.], v. 179, n. 9, p. 70 pp., 1965. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/155280. Acesso em: 28 dec. 2025.