TY  - BOOK
A1  - Velkoff, V.A.
A1  - Kowal, P.R.
A1  - Bureau, United States Census
T1  - Population aging in sub-Saharan Africa: Demographic dimensions 2006
Y1  - 2007
CY  - Suitland
PB  - US Department of Commerce, Economics and Statistics Administration, US Census Bureau

ER  -