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Muir, M.D. 1972. Supplement: Pollen Grains and Spores from the Upper Vardekløft Formation ( Jurassic), Jameson Land, East Greenland. Meddelelser om Grønland. 195, 4 (Jan. 1972), 23 pp. DOI:https://doi.org/10.7146/mog.v195.148983.