TY  - BOOK
AU  - UNITED NATIONS, ECONOMIC AND SOCIAL AFFAIRS (Department of-)
ED  - UNITED NATIONS, ECONOMIC AND SOCIAL AFFAIRS (Department of-)
TI  - Short manual on sampling
T2  - Studies in methods series F;9
U1  - B281.N60, K0.1/UN 
PY  - 1960///
CY  - New York
PB  - UN         
N1  - Bibliography :P.214; Appendix :197-213p
ER  -