POVARENNYKH, A. S.; PLATONOV, A. M.; TARASHCHAN, A. N.; BELICHENKO, V. P. The colour and luminiscence of Tugtupite (Beryllosodalite) from Ilímaussaq, South Greenland. Meddelelser om Grønland, [S. l.], v. 181, n. 14, p. 12 pp., 1971. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/153144. Acesso em: 28 dec. 2025.