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| 210 | 0 | _aECON. GEOL. | |
| 222 | 0 | _aEconomic Geology and the bulletin of the Society of Economic Geologists. | |
| 245 | 0 | 0 | _aEconomic Geology and the bulletin of the Society of Economic Geologists. |
| 246 | 2 | _aEconomic geology and the bulletin of the Society of Economic Geologists | |
| 260 |
_aURBANA, ILL. : _bECONOMIC GEOLOGY PUBL. CO., |
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| 310 | _aDesconocida | ||
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