TY  - BOOK
AU  - Hansen, Morris H
AU  - Hurwitz, W.N.
AU  - Madow, W.G.
TI  - Sample Survey Methods and Theory : methods and applications
SN  - 53-8112
U1  - 519.5 
PY  - 1953///.
CY  - New York
PB  - John Wiley & Sons
KW  - Statistical mathamatics
KW  - Mathematics
ER  -