TY - JOUR AU - P. Sint TI - Readings in Economic Statistics and Econometrics - Zellner, A. (Ed.) JO - Metrika PY - 1972 SP - 84 EP - 84 VL - 19 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MET_1972__19_175532/ ID - MET_1972__19_175532 ER -