United Nations Economic Commission for Europe, Statistics Sweden, Statistical Office of the European Communities, United Nations International Research and Training Institute for the Advancement of Women
organized by the United Nations Economic Commission for Europe and the Food and Agriculture Organization of the United Nations, Budapest, 25-28 April, 1977
Seminar on Natural Gas Rate-Making in the ECE Region and Its Implications for Gas Price Transition in Economies in Transition (1997 : Amsterdam, Netherlands)
Economic Commission for Europe = Stratégie de la CEE pour un qualité de vie durable dans les étáblissements humains au XXIe siécle / Commission économique pour l'Europe