Armour-Brown, A, and B Wallin. “Ketilidian Uranium Mineral Occurrences in South Greenland”. Rapport Grønlands Geologiske Undersøgelse 125 (December 31, 1985): 66–74. Accessed November 27, 2024. https://geusjournals.org/index.php/rapggu/article/view/7895.