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230713s1999 dcua gr ||||||eng d |
| 020 |
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|a 0821344285
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| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 100 |
1 |
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|a McMahon, Gary
|e Autor/a
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| 245 |
1 |
0 |
|a An environmental study of artisanal, small, and medium mining in Bolivia, Chile, and Peru /
|c Gary McMahon, José Luis Evia, Alberto Pascó Font, José Miguel Sánchez.
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| 260 |
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|a Washington, D.C. :
|b The World Bank,
|c 1999.
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| 300 |
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|a ix, 61 páginas :
|b ilustraciones en blanco y negro.
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| 490 |
0 |
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|a World Bank technical paper
|v no. 429
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| 700 |
1 |
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|a Pascó-Font, Alberto
|e Autor/a
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| 949 |
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|a -AEM
|