00735nam a2200193Ia 4500 0000022827 20251012174645.0 710323s1970 ne bs 001 0 eng 044410030X(AmericanElsevier HF1007 .D83 338.5/442 Megistos; a world income and trade model for the 1975. Ed. by C. Duprez and E. S. Kirschen. Amsterdam, North-Holland Pub. Co.; New York, American Elsevier [1970] xxxi, 668 p. 9 fold. l 23 cm. "List of countries belonging to each zone": fold. leaf inserted. Includes bibliographies. Commerce Mathematical models. Economic development Mathematical models. 8219 8219