Watt, W.S. “Petrology and Geology of the Precambrian Gardar Dykes on Qaersuarssuk, South Greenland”. Rapport Grønlands Geologiske Undersøgelse 14 (January 1, 1968): 1–51. Accessed July 3, 2024. https://geusjournals.org/index.php/rapggu/article/view/7162.