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Arctic Ocean | |
| Murdmaa, I.O., Bogdanova, O.Y., Gorshkov, A.I., Novikov, G.V. and Shevchenko, V.P. (2000): Lithology and Mineral Resources 35(6), 594-597. |
| Krupskaya, V.V., Andreeva, I.A., Sergeeva, E.I., and Cherkashev, G.A. (2002): Lithology and Mineral Resources 37(2), 130-136. |