VAZ, S. M.; http://lattes.cnpq.br/4448238734829404; VAZ, Silvana Mônica. (BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 1995-09-21)
"Die scheelite mining cycle ocurred in a region of Northeast Brazil that includes part of the
States of Rio Grande do Norte and Paraiba, usually known as the Northeast Scheelite
Province. That province contributed, during ...