TY - BOOK ED - World Bank. TI - Price prospects for major primary commodities: energy U1 - 382.4 PY - 1982/// CY - Washington PB - World Bank KW - Comercio Exterior KW - Energía KW - Petróleo KW - Gas Natural KW - Carbón N1 - 05762; Energy. Petroleum. Natural gas. Coal ER -