TY - JOUR AU - I. Thomsen TI - A Comparison of Approximately Optimal Stratification given Proportional Allocation with other Methods of Stratification and Allocation. JO - Metrika PY - 1976 SP - 15 EP - 26 VL - 23 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MET_1976__23_186178/ ID - MET_1976__23_186178 ER -