TY  - BOOK
TI  - World demographic estimates and projections, 1950-2025: total population, school-age population, economically active population, agricultural and non-agricultural population, urban and rural population : a report 
U1  - 304.6/2/021 
PY  - 1988///
CY  - New York
PB  - United Nations, 
KW  - Population forecasting
ER  -