TY  - BOOK
AU  - Levy,Paul S.
AU  - Lemenshow,Stanley
TI  - Sampling of populations: methods and applications 
SN  - 0471508225
PY  - 1991///
CY  - New York, N.Y.
PB  - John Wiley & Sons
KW  - Population
KW  - Statistics
KW  - Sampling (Statistics)
ER  -