TY  - JOUR
AU  - M. Rueda Garcia
AU  - A. Arcos Cebriân
TI  - Variance Estimation Using Auxiliary Information: An Almost Unbiased Multivariate Ratio Estimator.
JO  - Metrika
PY  - 1997
SP  - 171
EP  - 178
VL  - 45
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MET_1997__45_3_176721/
ID  - MET_1997__45_3_176721
ER  -