Nicholson J, Friend PF. Devonian Sediments of East Greenland V. The Central Sequences, Kap Graah Group and Mount Celsius Supergroup. Meddr Grønland [Internet]. 1. januar 1976 [henvist 18. december 2024];206(5):118 pp., 20 plates. Tilgængelig hos: https://tidsskrift.dk/meddrgroenland/article/view/141483