Escher, A. “The Deformation and Granitisation of Ketilidian Rocks in the Nanortalik Area, S. Greenland”. Bulletin Grønlands Geologiske Undersøgelse 59 (January 27, 1966): 1–102. Accessed July 3, 2024. https://geusjournals.org/index.php/bullggu/article/view/6593.