TY  - BOOK
AU  - UNITED NATIONS, ECONOMIC AND SOCIAL AFFAIRS (Department of-)
ED  - UNITED NATIONS, ECONOMIC AND SOCIAL AFFAIRS (Department of-)
TI  - Methodology of demogaphic sample surveys
T2  - Statistical paper series M;51
U1  - V1N45,93:3.N71t4, L1/UN 
PY  - 1971///
CY  - New York
PB  - UN         
ER  -