TY  - BOOK
AU  -                      
ED  - United Nations. Statistical Office     
TI  - Sample sureys of current interest: Ninth report                                                                                                                                                 
U1  - GP 311.22                           
PY  - 1962///
CY  - New york
PB  - Department of Economic and Social Affairs
KW  - Sampling (Statistics)
KW  - Statistics - Periodicals
ER  -