SOMMER, Max. Geologische Untersuchungen in den praekambrischen Sedimenten zwischen Grandjeans Fjord und Bessels Fjord (75°-76° N. Br.) in NE-Grönland. Meddelelser om Grønland, [S. l.], v. 160, n. 2, p. 1–56, 1957. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/161280. Acesso em: 29 dec. 2025.