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Norway | |
| Brickwood, J. D. (1986): The geology and mineralogy of some Fe-Cu-Ni sulphide deposits in the Bamble area, Norway. Norsk Geologisk Tidsskrift. 66, 189-208 |
| Mitchell, Roger H. (1980) Pyroxenes of the Fen alkaline complex, Norway. American Mineralogist, 65 (1-2) 45-54 |
| Årtveit, J. T. (2014): Fensfeltet. Fensfeltet Geologiforening, Ulefoss 2014, 192p. |
| Mitchell, Roger H. (1980) Pyroxenes of the Fen alkaline complex, Norway. American Mineralogist, 65 (1-2) 45-54 |
| Andersen, Tom (1989) Carbonatite-related contact metasomatism in the Fen complex, Norway: effects and petrogenetic implications. Mineralogical Magazine, 53 (372) 395-414 doi:10.1180/minmag.1989.053.372.01 |
| Andersen, T. & Sørensen, H. (1993): Crystallization and metasomatism of nepheline syenite xenolites in quartz-bearing intrusive rocks in the permian Oslo rift, SE Norway. Norsk Geologisk Tidsskrift. 73: 250-266. |
| Larsen, Alf Olav (1993) Gruver og skjerp i Skien [Mines and Prospects in Skien], Alf Olav Larsen. 1-72 |