TY  - BOOK
AU  - Levy,Paul S.
AU  - Lemeshow,Stanley
TI  - Sampling of populations: methods and applications
SN  - 978-0-470-04007-2
U1  - 304.60727 
PY  - 2008///
CY  - Canada
PB  - John Wiley
KW  - Population-Statistical Method
ER  -