“The Precambrian, Eocambrian and Early Palaeozoic Stratigraphy of the Jørgen Brønlund Fjord Area, Peary Land, North Greenland”. Bulletin Grønlands Geologiske Undersøgelse 96 (July 27, 1971): 1–42. Accessed November 11, 2025. https://geusjournals.org/index.php/bullggu/article/view/6637.