Columbia subject headings:
Harvard subject headings:
Andes Region--Foreign economic relations--Brazil.
Brazil--Foreign economic relations--Andes Region.
Grupo Andino.
Mineral industries--Andes Region.
Mineral industries--Brazil
Princeton subject headings:
Andes Region--Foreign economic relations--Brazil.
Brazil--Foreign economic relations--Andes Region.
Grupo Andino.
Mineral industries--Andes Region.
Mineral industries--Brazil.