Poulsen, C. and Wienberg-Rasmussen, H. (1951) “Geological map (scale, 1:50,000) and description of Ella Ø”, Meddelelser om Grønland, 151(5), pp. 1–25. Available at: https://tidsskrift.dk/meddrgroenland/article/view/164670 (Accessed: 8 February 2026).