TY  - BOOK
AU  - Hansen,Morris H.
AU  - Madow,William G.
AU  - Shewhart,Walter A.
AU  - Hurwitz,William N.
TI  - Sample survey methods and theory / 
U1  - 311.21 HAN  
PY  - 1953///
CY  - New York : 
PB  - John Wiley and Sons, Inc., 
KW  - Sampling--statistics
N1  - Includes index
ER  -