Nutman, A.P, D Bridgwater, E Dimroth, R.C.O Gill, and M Rosing. “Early (3700 Ma) Archaean Rocks of the Isua Supracrustal Belt and Adjacent Gneisses”. Rapport Grønlands Geologiske Undersøgelse 112 (December 31, 1983): 5–22. Accessed July 3, 2024. https://geusjournals.org/index.php/rapggu/article/view/7809.