Mittelholzer, A., Vischer, A., Maync, W., & Nielsen, E. (1950). Geological map of East Greenland, 74° - 75° N. Lat. and 20° - 23° W. Long . Meddelelser Om Grønland, 143(1), Plate 6. Retrieved from https://tidsskrift.dk/meddrgroenland/article/view/165861