@article{GDZPPN002468654,
title = {Variance Estimation Using Auxiliary Information: An Almost Unbiased Multivariate Ratio Estimator.},
journal = {Metrika},
volume = {45},
year = {1997},
pages = {171-178},
zbl = {0886.62014},
url = {http://dml.mathdoc.fr/item/GDZPPN002468654}
}
Garcia, M. Rueda; Cebriân, A. Arcos. Variance Estimation Using Auxiliary Information: An Almost Unbiased Multivariate Ratio Estimator.. Metrika, Tome 45 (1997) pp. 171-178. http://gdmltest.u-ga.fr/item/GDZPPN002468654/