Código QR (código de barras bidimensional)

World mineral trends and U.S. supply problems

Detalhes bibliográficos
Autor Corporativo:	Resources for the Future
Outros Autores:	Fischman, Leonard L.
Formato:	Livro
Idioma:	English
Publicado em:	Washington, D.C. Resources for the Future 1980.
coleção:	Research paper / Resources for the Future R-20
Assuntos:	Metal trade. Metal trade > United States. Mines and mineral resources > United States. Mines and mineral resources. National security > United States. Strategic materials > Government policy > United States. Strategic materials.