00721nam a2200217 a 4500 585490 BD-DhUL 20170410150652.0 900226s2002 nnyua bs i000 0 eeng 90122838 9210510925 DLC DLC BD-DhUL 312 UNW World population ageing : 1950-2050 / Department of International Economic and Social Affairs. New York : United Nations, 2002. xlix, 483 p. ; ill. ; 28 cm. Includes bibliographical references (p. 26). Urbanization Statistics. United Nations. Department of International Economic and Social Affairs. ddc REF 175414 175414 0 0 ddc 0 312_000000000000000_UNW 0 REF 311733 DUL DUL UNC 2017-04-10 Gift 312 UNW 21888 2017-04-10 2017-04-10 REF