TY - JOUR AU - S. Sengupta TI - Jack-Knifing the Ratio and the Product Estimators in Double Sampling. JO - Metrika PY - 1981 SP - 245 EP - 256 VL - 28 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MET_1981__28_175825/ ID - MET_1981__28_175825 ER -