"cuivre marché international." . . "Wereldmarkt." . . "Cuivre Industrie et commerce." . . "Koper." . . . . "Coure Indústria i comerç." . . "Kupfermarkt." . . . . . "The world copper market - an economic analysis" . . . . . "The World copper market : an economic analysis" . . . . . "The world copper market: An economic analysis" . . . . . . . "The world copper market : an economic analysis" . . . "The world copper market: an economic analysis" . "The world copper market : An economic analysis" . . "The world copper market: an economic analysis"@en . . . . . . . .