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00771nam a2200217 u 4500 |
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000322985 |
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20110720143301.0 |
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s1976 s1976 xxu ||||| eng |
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|a 0080210511
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|a 65470
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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|a eng
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|a 622.063
|b R295r
|2 00
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|a Recent advances in mining and processing low-grade submarginal mineral deposits
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| 260 |
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|a New York, New York :
|b Pergamon,
|c 1976.
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| 300 |
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|a viii, 192 páginas :
|b ilustraciones ;
|c 29 cm
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| 500 |
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|a Centre for Natural Resouces, Energy and transport, United Nations, New York.
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| 650 |
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|a INGENIERIA DE MINAS
|x CONGRESOS
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| 650 |
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|a YACIMIENTOS MINERALES
|x CONGRESOS
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| 949 |
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|a MR.-LM AP.
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| 916 |
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|a Registros del LS-2000
|