Macdonald, R. “Petrological Studies of Some Alkalic and Peralkalic Dyke Rocks from the Tugtutôq–Narssaq Area”. Rapport Grønlands Geologiske Undersøgelse 11 (January 1, 1966): 44–47. Accessed July 3, 2024. https://geusjournals.org/index.php/rapggu/article/view/7154.