Mineral Markets. Copper's Confidence Sags
- SEGEMAR 1989
Mining Journal, London, October 27, 1989, Pags. 351/352
Estadisticas Mineras
Artsub
Mineral/es: Cobre
Mining Journal, London, October 27, 1989, Pags. 351/352
Estadisticas Mineras
Artsub
Mineral/es: Cobre