TY  - BOOK
ED  - United Nations.
TI  -  The Sex and age distributions of population: the 1990 revision o f the United Nations global population estimates and projections 
SN  - 9211512204
U1  - 304.6021 
PY  - 1991///
CY  - New York
PB  - United Nations
KW  - Sex distribution (Demography)
KW  - Age distribution (Demography)
KW  -  Statistics
N1  - "ST/ESA/SER.A/122."; Includes bibliographical references (p. 391)
ER  -