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| Bøggild, O. B. (1953) The Mineralogy of Greenland. Meddelelser om Grønland Vol. 149 (3) C.A.Reitzel |
| Bøggild, O. B. (1953) The Mineralogy of Greenland. Meddelelser om Grønland Vol. 149 (3) C.A.Reitzel |