Não informado. (1999). Geology of greenland survey bulletin. Geological Survey of Denmark and Greenland.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Geology of Greenland Survey Bulletin. Copenhagen: Geological Survey of Denmark and Greenland, 1999.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Geology of Greenland Survey Bulletin. Geological Survey of Denmark and Greenland, 1999.
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