%0 Journal Article
%A J.T. Rao
%T On the Variance of the Ratio Estimator for Midzuno-Sen Sampling Scheme
%J Metrika
%D 1966
%P 89-91
%V 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MET_1966__10_175289/
%F MET_1966__10_175289