International Symposium on Inventories.International Symposium on Inventories (1980 : Budapest)：The Economics and management of inventories．pt. B，Inventory management. Mathematical models of inventories.Elsevier Scientific Pub.,1981.
International Symposium on Inventories (1980 : Budapest)：The Economics and management of inventories．pt. B，Inventory management. Mathematical models of inventories
International Symposium on Inventories.Elsevier Scientific Pub.,1981.
