TY - JOUR AU - F. Korenjak TI - Vertical Models for Economic Development and Cycles. JO - Metrika PY - 1963 SP - 47 EP - 70 VL - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MET_1963__7_175198/ ID - MET_1963__7_175198 ER -