Gutzon Larsen, J. (1977). Transition from Low Potassium Olivine Tholeiites to Alkali Basalts on Ubekendt Ejland. : The Tertiary Volcanic Province of West Greenland. Meddelelser Om Grønland, 200(1), 43 pp. Hentet fra https://tidsskrift.dk/meddrgroenland/article/view/147459