TY  - BOOK
AU  - Sarndal Carl-Erik
TI  - Model assisted survey sampling
T2  - Springer Series in Statistics
U1  - B2817, N2 
PY  - 1992///
CY  - New York
PB  - Springer-Verlag         
KW  - Sampling Mathematics
N1  - Bibliography : P 666-79; Applendix : P 649-65
ER  -