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).
9210510925
90122838
Urbanization--Statistics.
312 / UNW
Includes bibliographical references (p. 26).
9210510925
90122838
Urbanization--Statistics.
312 / UNW