BÜTLER, Heinrich. Plate 7: Geological map of East Greenland. Parts of Ole Römers Land, Hudson Land, Gauss Peninsula and Ymers Island. Meddelelser om Grønland, [S. l.], v. 143, n. 1, p. Plate 7, 1950. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/165863. Acesso em: 9 apr. 2026.