Bütler, H. (1950) “Geological map of East Greenland. Parts of Ole Römers Land, Hudson Land, Gauss Peninsula and Ymers Island”, Meddelelser om Grønland, 143(1), p. Plate 7. Available at: https://tidsskrift.dk/meddrgroenland/article/view/165863 (Accessed: 13 February 2026).