TY  - BOOK
AU  - Cassel,Claes
AU  - Wretman,Jan Hakan
AU  - Sarndal,Carl-Erik
TI  - Foundations of inference in survey sampling
SN  - 0894646672
PY  - 1993///
CY  - Malabar, Florida
PB  - Krieger Publishing
KW  - Estimation theory
KW  - Sampling (Statistics)
N1  - Originally phublished :New York : Wiley,c1977; Includes bibliographical references and index
ER  -