Henriksen, N, and J.S Peel. “Cambrian - Early Ordovician Stratigraphy in South-Western Washington Land, Western North Greenland”. Rapport Grønlands Geologiske Undersøgelse 80 (December 31, 1976): 17–23. Accessed November 27, 2024. https://geusjournals.org/index.php/rapggu/article/view/7476.