| Registros del 1 al 2 de 2 encontrados |
1.- Clay resources in the Nelas region (Beira Alta), Portugal; a contribution to the characterization of potential raw materials for prehistoric ceramic production
Mineralogical Society; London; GBR; United Kingdom, 2010
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2.- THE APPLICATION OF THE ~ALPERN SCIENTIFIC CLASSIFICATION OF SOLID FOSSILS FUELS~ TO QUALIFY GONDWANA COALS FROM DIFFERENT BASINS
1988
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