The gemstone deposits of Brazil: occurrences, production and economic impact.
| Autor: | de Brito Barreto, Sandra1 bsandra@ufpe.br, Bittar, Sheila Maria Bretas2 |
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| Zdroj: | Boletín de la Sociedad Geológica Mexicana. 2010, Vol. 62 Issue 1, p123-140. 18p. 20 Color Photographs, 3 Charts, 10 Maps. |
| Databáze: | Academic Search Ultimate |
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