. . "Miedź metalurgia." . . . . . . . . . . "Copper : its trade, manufacture, use and environmental status" . . . . . . "Copper : its trade, manufacture, use, and environmental status" . . . . . . "Copper its trade, manufacture, use, and environmental status"@en . . . . . . . . . "Cuivre." . . "Miedź aspekt środowiskowy." . . "Kupfer Spurenelement." . . "Kupfergewinnung." . . "Kupfer." . . "Kupfer Stoffeigenschaft." . . "Cobre." . .