TY  - BOOK
AU  - Sarndal,Carl-Erik 
AU  -  Swensson,Bengt and Wretman,Jan
TI  - Model Assisted Survey Sampling
SN  - 0-387-97528-4
U1  - 001.422 SAR 
PY  - 1992///
CY  - New York
PB  - Springer
ER  -