TY  - BOOK
TI  - The Sex and age distributions of population : the 1990 revision of the United Nations global population estimates and projections 
SN  - 9211512204
AV  - HB1741 
PY  - 1991///
CY  - New York
PB  - United Nations
KW  - Age distribution (Demography)-
KW  - Statistics
KW  - Sex distribution (Demography)-
N1  - Department of International Economic and Social Affairs 391 p. ; 28 cm. "ST/ESA/SER.A/122." p. 391 NHAH
ER  -