Thomassen, Bjørn, Johannes Kyed, Agnete Steenfelt, and Tapani Tukiainen. “Upernavik 98: Reconnaissance Mineral Exploration in North-West Greenland”. Geology of Greenland Survey Bulletin 183 (December 30, 1999): 39–45. Accessed November 27, 2024. https://geusjournals.org/index.php/ggub/article/view/6276.