“The Proterozoic Sandstones Between Heilprin Land and Mylius-Erichsen Land, Eastern Greenland”. Rapport Grønlands Geologiske Undersøgelse 88 (December 31, 1979): 5–10. Accessed January 17, 2026. https://geusjournals.org/index.php/rapggu/article/view/7549.