Philip, P. “Results of Investigation of Tertiary Volcanic Breccia South of Niaqornat, Nûgssuaq, West Greenland, 1971”. Rapport Grønlands Geologiske Undersøgelse 53 (January 1, 1973): 29–32. Accessed July 3, 2024. https://geusjournals.org/index.php/rapggu/article/view/7335.