Demographic causes and economic consequences of population aging : Europe and North America - Stolnitz, George J. (United Nations, 1992)
A la cabeza de la portada: United Nations Economic Commission for Europe ; United Nations Population Fund--Al reverso de la portada: "Inited Natons Publication. Sales No. GV.E.92.0.4 ISBN 9211003725, ISSN 10144994"