1. British Standards Institute, Maintenance Terms in Technology, BS 3811:74, 1974.
2. Preventive maintenance scheduling in presence of a production plan;Olorunniwo;Production Inventory Management,1987
3. Operations Research in Production and Inventory Control;Hanssmann,1962
4. P.J. Billington, Quality improvement through reduced lot sizes in the economic order quantity model, 15th DSI Proceedings, 1986, pp. 1159–1161.
5. Trends in inventory management;Bonney;International Journal of Production Economics,1994