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1.- PETROGRAPHY OF SOME COAL SEAMS FROM CANDIOTA COALFIELD, RS, SOUTH BRAZIL WYDAWNICTWA GEOLOGICZNE; WARSAW; POL; POLAND, 1997 PROCEEDINGS OF THE XIII INTERNATIONAL CONGRESS ON THE CARBONIFEROUS AND PERMIAN Ver registro
2.- THE APPLICATION OF FAMM (FLUORESCENCE ALTERATION OF MULTIPLE MACERALS) ANALYSES FOR EVALUATING RANK OF PARANA BASIN COALS, BRAZIL ELSEVIER; AMSTERDAM; III; INTERNATIONAL, 2004 Ver registro
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