Prospects of population, methodology, and assumptions : papers of the Ad Hoc Group of Experts on Demographic Projections, United Nations headquarters, 7-11 November 1977 - New York : United Nations, 1979 - iv, 292 p. : charts ; 28 cm. - Population studies ; no. 67 .

At head of title: Department of International Economic and Social Affairs

Bibliography : p. 276-277

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