TY - JOUR AU - B.M. Bennett TI - On Estimation of a Ratio of Multivariate Means by Non-Parametric Methods JO - Metrika PY - 1967 SP - 22 EP - 28 VL - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MET_1967__12_175339/ ID - MET_1967__12_175339 ER -