TY  - BOOK
AU  - UNITED NATIONS, INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Departments of--)
ED  - UNITED NATIONS, INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Departments of--)
TI  - Provisional guidelines on standard international age classifications
U1  - V1N45,93:3.N82, M2/UN 
PY  - 1982///
CY  - New York
PB  - United Nations        
N1  - Statistics papers series M, no. 74
ER  -