TY  - SER
TI  - Sample surveys of current interest: Second report 
T2  - Statistical papers. Series 3
U1  - 311.22 
PY  - 1949///
CY  - New York
PB  - Statistical Office of the United Nations
KW  - Sampling (Statistics)
KW  - Periodicals
KW  - Statistics
KW  - Economische situatie
N1  - Issued as a United Nations document; Issued Mar. 1952- with the United Nations publications sales numbers
ER  -