World population monitoring 1991 with special emphasis on age structure United Nations Department of International Economic and Social Affairs. creator text bibliography nyu New York United Nations 1992 1991 monographic eng
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xii, 241 p. : ill. ; 28 cm. At head of title: Department of International Ecoonomic and Social Affairs. "ST/ESA/SER.A/126." Includes bibliographical references. Population Statistics Age distribution (Demography) Statistics HB871 .W762 1992 304.63 UNW Population studies ; no. 126 9211512409 92230959 DLC 921023 20170410120902.0 2044170