Yeats, A. K. og Friend, P. F. (1978) “Devonian Sediments of East Greenland IV. The Western Sequence, Kap Kolthoff Supergroup of the Western Areas. ”, Meddelelser om Grønland, 206(4), s. 112 pp. Tilgængelig hos: https://tidsskrift.dk/meddrgroenland/article/view/141446 (Set: 27 september 2024).