Mamet, Bernard L., and Lars Stemmerik. “Carboniferous Algal Microflora, Kap Jungersen and Foldedal Formations, Holm Land and Amdrup Land, Eastern North Greenland”. Geology of Greenland Survey Bulletin 187 (October 20, 2000): 79–101. Accessed November 27, 2024. https://geusjournals.org/index.php/ggub/article/view/6322.