“Sr-Isotopic Studies and Mineral Composition of the Hagen Bræ Member in the Proterozoic Clastic Sediments at Hagen Bræ, Eastern North Greenland”. Rapport Grønlands Geologiske Undersøgelse 99 (December 31, 1980): 111–118. Accessed October 27, 2025. https://geusjournals.org/index.php/rapggu/article/view/7678.