1. Analysis of Inventory Systems;Hadley,1963
2. Procurement and Inventory Systems Analysis;Banks,1987
3. (Q, r) inventory model with a mixture of lost sales and time-weighted backorders;Kim;J. Opt. Res. Soc.,1985
4. Inventory control using a service constraint on the expected duration of stockouts;Akinniyi;AIIE Trans.,1981
5. Production and Operations Analysis;Nahmias,1989