TY  - BOOK
TI  - The Sex and age distribution of population: the 1990 revision of the United Nations global population estimates and projections 
T2  - Population studies
SN  - 9211512204
U1  - 304.6 19
PY  - 1991///
CY  - New York
PB  - United Nations
KW  - Population
KW  - Spines
KW  - Sex distribution
KW  - Age distribution
N1  - gsg
N2  - Health and Population
ER  -