TY - BOOK AU - "United Nations, Economic And Social Affairs (Deptt of-)" ED - "United Nations, Economic And Social Affairs (Deptt of-)" TI - New sources of energy and economic development: So U1 - "X9(F55):77.1.N5, J7/UN" PY - 1957/// CY - New PB - York United Nations USA KW - Fuel ER -