Regional seminar on machine tools in developing countries of Europe and the Middle East : Slatni Pjassazi, Varna, 18-27 October 1971 - United Nations Industrial Development Organization; Regional Seminar on Machine Tools in Developing Countries of Europe and the Middle East (1971 (New York : United Nations, 1972)
Keywords: Machine-tool industry -- Europe -- Congresses; Machine-tool industry -- Middle East -- Congresses