TY  - BOOK
ED  -  United Nations. 
TI  -  World population monitoring 1991 : : with special emphasis on age s tructure
T2  -  Population studies ; 
SN  -  9211512409
U1  -  304.6 
PY  - 1992///
CY  -  New York : 
PB  -  United Nations, 
KW  -  Population
KW  -  Statistics
KW  -  Age distribution (Demography)
N1  -  At head of title: Department of International Ecoonomic and Social A ffairs;  "ST/ESA/SER.A/126.";  Includes bibliographical references
ER  -