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Alexander-Marrack, P.D. og Friend, P.F. 1976. Devonian Sediments of East Greenland III. The Eastern Sequence, Vilddal Supergroup and Part of the Kap Kolthoff Supergroup. Meddelelser om Grønland. 206, 3 (jan. 1976), 122 pp. . DOI:https://doi.org/10.7146/mog.v206.143411.