TY - JOUR AU - V.R. Padmawar TI - On the Completeness of Certain Classes of two Stage Sampling Strategies. JO - Metrika PY - 1988 SP - 29 EP - 40 VL - 35 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MET_1988__35_3-4_176149/ ID - MET_1988__35_3-4_176149 ER -