Upton, B.G.J. “The Alkaline Igneous Complex of Kûngnât Fjeld, South Greenland”. Bulletin Grønlands Geologiske Undersøgelse 27 (December 29, 1960): 1–145. Accessed July 3, 2024. https://geusjournals.org/index.php/bullggu/article/view/6560.