Upton, B.G.J, and C.H Emeleus. “The Tertiary Geology of Hold With Hope, Northern East Greenland”. Rapport Grønlands Geologiske Undersøgelse 85 (December 31, 1977): 115–121. Accessed November 27, 2024. https://geusjournals.org/index.php/rapggu/article/view/7543.