TY  - JOUR
AU  - M. Luisa Targhetta
TI  - A Two-Stage Sampling by Unequal Size Samples from Two Normal Populations with Unknown Variances.
JO  - Metrika
PY  - 1997
SP  - 31
EP  - 38
VL  - 45
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MET_1997__45_3_176704/
ID  - MET_1997__45_3_176704
ER  -