TY  - BOOK
AU  - Lehtonen, Risto
ED  - Pahkinen, Erkki
TI  - Practical methods for design and analysis of complex surveys
T2  - statistics in practice
SN  - 0470847697
U1  - 519.52 
PY  - 2004///
CY  - Chichester
PB  - John Wiley 
KW  - Sampling (Statistics)
KW  - Surveys--Methodology
ER  -