1. Inventory Systems;Naddor,1966
2. Inventory policy for items on sale during regular replenishment;Baker;Prod. Invent. Manage.,1976
3. Principles of Inventory and Materials Management;Tersine,1988
4. Optimal ordering policies under conditions of extended payment privileges;Davis;Manage. Sci.,1985
5. Delay of payments for extraordinary purchases;Arcelus;Canad. Oper. Res. Soc. Meeting,1988