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161101s1972^^^^^^^^^^^^^^^^^^000^^^spa^d |
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|a Douglas, R.J.W [editor]
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| 245 |
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|a Geology and economic minerals of Canada.
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| 260 |
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|a Otawa :
|b Departament of energy, mines and resources,
|c 1972.
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| 300 |
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|a 838 Páginas.
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| 952 |
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|0 0
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|3 Texto en inglés
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|y BOOK
|z Vereda Morcá, Sogamoso
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|c 85040
|d 85040
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