TY  - JOUR
AU  - J.T. Rao
TI  - On the Variance of the Ratio Estimator for Midzuno-Sen Sampling Scheme
JO  - Metrika
PY  - 1966
SP  - 89
EP  - 91
VL  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MET_1966__10_175289/
ID  - MET_1966__10_175289
ER  -