Bondesen, E., Pedersen, K. R. and Jørgensen, O. (1967) “Precambrian organisms and the isotopic composition of organic remains in the Ketilidian of South-West Greenland”, Meddelelser om Grønland, 164(4), pp. 1–41. Available at: https://tidsskrift.dk/meddrgroenland/article/view/160933 (Accessed: 28 December 2025).