1. A Comparison of Order Quantities Computed Using the Average Annual Cost and the Discounted Cost
2. and , Analysis of Inventory Systems, Prentice-Hall Inc., Englewood Cliffs, NJ, 1963, pp. 29–81.
3. and , Production and Inventory Management, Prentice-Hall Inc., Englewood Cliffs, NJ, 1984, pp. 133–134.