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3. The Precambrian of Norway;Barth,1963
4. Geochemistry, Geochronology and Tectonic Setting of the Proterozoic Telemark Supracrustals, Southern Norway;Brewer,1985
5. Geochemistry and tectonic setting of the Proterozoic Telemark supracrustal rocks, Southern Norway;Brewer,1987