| 000 | 00459nam a22000857a 4500 | ||
|---|---|---|---|
| 008 | 220610s1950 uk ||||| |||| 00| 0 eng d | ||
| 100 |
_aAgard, J. _9237044 |
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| 245 |
_aInternational Geological Congress : report of the eighteenth session, Great Britain, 1948. Part 7. Symposium and proceed. of sect. F. The geology, paragenesis and reserves of the ores of lead and zInc / _cJ. Agard; K. C. Dunham. |
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| 264 |
_aLondon : _bInternational Geological Congress, _c1950. |
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| 999 |
_c597713 _d597711 |
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