TY  - BOOK
ED  - National Bureau of Economic Research (New York)
TI  - Demographic and economic change in developed countries: a conference of the universities
U1  - 312.063 21st
PY  - 1960///
CY  - Princeton
PB  - Princeton University Press
KW  - Demographic surveys; Demography-Developing Countries; Developing countries-Economic conditions
ER  -