Liberalization of tariff and non-tariff barriers : increases in tariff differentials between raw materials, semi-manufactures and manufactures at different stages of processing resulting from the Kennedy Round of Tariff Reductions ; report by the UNCTAD Secretariat
United Nations Conference on Trade and Development, Trade and Development Board, Committee on Manufactures, 4. sess., Geneva, 20.1.1970, item 5 of the provisional agenda