Registros del 1 al 7 de 7 encontrados |
![](./images/clear.gif) 1.- A "CLASSIFICACAO INTERNACIONAL DOS CARVOES EM CAMADA" DA COMISSAO ECONOMICA PARA A EUROPA - NACOES UNIDAS COMO INSTRUMENTO PARA O CALCULO DE RESERVAS/RECURSOS MUNDIAIS DE CARVAO NUMA BASE COMUN
1999
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![](./images/clear.gif) 2.- A COMPARATIVE STUDY OF SOME ORTHO- AND METHA-ANTHRACITES FROM NORTH-ATLANTIC AND GONDWANA BASINS
1992
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![](./images/clear.gif) 3.- COAL CLASSIFICATION AND CODIFICATION UP-DATE ON THE STATE OF THE ART AND A CRITICAL REVIEW
1992
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![](./images/clear.gif) 4.- HUMIDADE NO CARVAO: DIFERENTES FORMAS, TERMINOLOGIA, DETERMINACOES ANALITICAS E IMPLICACOES PRATICAS
1999
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![](./images/clear.gif) 5.- OPTICAL MORPHOLOGY OF HYDROCARBONS AND OIL PROGENITORS IN SEDIMENTARY ROCKS - RELATIONS WITH GEOCHEMICAL PARAMETERS
1992
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![](./images/clear.gif) 6.- PROSPECTING FOR COALBED METHANE: PRELIMINARY INVESTIGATION INTO THE POSSIBILITIES IN SPAIN
1996
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![](./images/clear.gif) 7.- THE APPLICATION OF THE ~ALPERN SCIENTIFIC CLASSIFICATION OF SOLID FOSSILS FUELS~ TO QUALIFY GONDWANA COALS FROM DIFFERENT BASINS
1988
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