%0 Journal Article %A T.J. Rao %T Estimating the Variance of the Ratio Estimator for the Midzuno-Sen Sampling Scheme. %J Metrika %D 1977 %P 203-208 %V 24 %I mathdoc %U http://geodesic.mathdoc.fr/item/MET_1977__24_175725/ %F MET_1977__24_175725