TY  - GEN
AU  - Lehtonen, Risto
AU  - Pahkinen, Erkki J.
TI  - Practical methods for design and analysis of complex surveys
SN  - 047193934X
PY  - 1994///
CY  - Chichester
PB  - John Wiley
KW  - SAMPLING(STATISTICS)
KW  - SURVEYS-Methodology
ER  -