Report of the Interregional Seminar on Mortality Analysis :Mamaia, Romania, 20 September - 3 October 1972. Regional planning :report of the Sixth Interregional Seminar on Development Planning, Quito, Ecuador, 20 September-1 October 1971. Report of the Interregional Seminar on Social Aspects of Industrialization :Minsk, Byelorussian Soviet Socialist Republic, 11-25 August 1964. Report of the Interregional meeting on research in criminology : Denmark, Norway, Sweden, 18 July to 7 August 1965. Report of the Interregional Seminar to Promote the Implementation of the International Plan of Action on Aging, Kiev, Ukrainian Soviet Socialist Republic, 9-20 September 1985 Report of the United Nations Interregional Seminar on Industrial Social Welfare, Moscow, 16 October-5 November 1971.Report of the Interregional Seminar on the Cement Industry :Denmark, 2-16 May 1964.Report of the United Nations Interregional Seminar on Government Auditing, 3-14 May, 1971, Baden, Austria.Interregional Seminar on Administration of Management Improvement Services,Copenhagen, Denmark, 28 September-6 October 1970.Report of the Interregional Seminar on the Mobilization of Personal Savings in Developing Countries, Stockholm, Sweden, 2-11 August 1971.