As perspectivas da mineração no Brasil
Series: Divisão de Fomento da Produção Mineral. Boletim; no. 86; Boletim (Brazil. Divisão de Fomento da Produção Mineral) ;; no. 86.
Published: 1950
Place of publication: Rio de Janeiro
Language: por
Number of pages: 40
Subjects: Mines and mineral resources -- Brazil.