TY  - BOOK
AU  - Lehtonen Risto
AU  - Pahkinen Erkki
TI  - Practical methods for design and analysis of complex surveys
SN  - 0-470-84769-7
U1  - 000SA.081 
PY  - 2004///
CY  - Chichester
PB  - John Wiley
KW  - Complex survey
KW  - Sampling techniques
KW  - Survey methods
ER  -