Olsen, H, and P.H Larsen. “Lithostratigraphy of the Continental Devonian Sediments in North-East Greenland”. Bulletin Grønlands Geologiske Undersøgelse 165 (January 1, 1993): 1–108. Accessed July 3, 2024. https://geusjournals.org/index.php/bullggu/article/view/6721.