TY  - JOUR
AU  - L.N. Sahoo
AU  - S.C. Senapati
AU  - M. Dalabehera
TI  - On Two Methods of Unbiased Estimation in Two-Phase Sampling
                        Using Two Auxiliary Variables
JO  - Bulletin of the Malaysian Mathematical Society
PY  - 2004
VL  - 27
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/BMMS_2004_27_1_a8/
ID  - BMMS_2004_27_1_a8
ER  -