Hald, N. “An Investigation of the Igneous Rocks on Hareøen and Western Nûgssuaq, West Greenland”. Rapport Grønlands Geologiske Undersøgelse 35 (January 1, 1971): 11–13. Accessed November 27, 2024. https://geusjournals.org/index.php/rapggu/article/view/7251.