TY  - BOOK
AU  - Hansen,Morris Howard
TI  - Sample survey methods and theory
T2  - Wiley publications in statistics
AV  - QA276 .H33
U1  - 311.22 
PY  - 1953///]
CY  - New York
PB  - Wiley
KW  - Sampling (Statistics)
KW  - Local
N1  - 920617
ER  -