TY  - JOUR
AU  - T.J. Rao
AU  - S. Sengupta
AU  - B.K. Sinha
TI  - Some Order Relations Between Selection and Inclusion  Probabilities for PPSWOR Sampling Scheme.
JO  - Metrika
PY  - 1991
SP  - 335
EP  - 343
VL  - 38
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MET_1991__38_2_176369/
ID  - MET_1991__38_2_176369
ER  -