Alexander-Marrack, P. D., og P. F. Friend. “ Vilddal Supergroup and Part of the Kap Kolthoff Supergroup”. Meddelelser om Grønland 206, no. 3 (januar 1, 1976): 122 pp. . Set november 21, 2024. https://tidsskrift.dk/meddrgroenland/article/view/143411.