TY - JOUR AU - F. Korenjak TI - Vertical Models for Economic Development and Cycles. JO - Metrika PY - 1963 SP - 121 EP - 142 VL - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MET_1963__7_175207/ ID - MET_1963__7_175207 ER -