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- catalog accrualPolicy "Quarterly.".
- catalog contributor b157715.
- catalog date "1977".
- catalog description "Vols. for Jan. 1977- called also 2.- época.".
- catalog extent "v.".
- catalog issued "1977".
- catalog language "spa".
- catalog publisher "Bogotá, Ministerio de Minas y Energía.".
- catalog relation "Boletín de minas".
- catalog relation "Boletín de petróleos".
- catalog replaces "Boletín de minas".
- catalog replaces "Boletín de petróleos".
- catalog subject "Mineral industries Periodicals.".
- catalog subject "Power resources Periodicals.".
- catalog title "Boletín de minas y energía.".
- catalog type "text".