TY  - BOOK
AU  - Hansen,Morris Howard
AU  - Hurwitz,William N.
AU  - Madow,William G.
TI  - Sample survey methods and theory
SN  - 047134947X
PY  - 1953///
CY  - New York
PB  - John Wiley & Sons
KW  - Sampling (Statistics)
ER  -