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- Geology--Romania--Periodicals (6)
- Geography--Periodicals (1)
- Geology, Stratigraphic--Periodicals (1)
- Geology--Periodicals (1)
- Geophysics--Romania--Periodicals (1)
- Institutul de Geologie și Geofizică--Periodicals (1)
- Ore deposits--Romania--Periodicals (1)
- Romania--Description and travel--Periodicals (1)