1. Adenso‐Diaz, B. and Schröder, A. (1997), Modeling Radiofrequency Benefits in Warehouse Management, Internal technical report, ETS Ingenieros Industriales, Universidad de Oviedo.
2. Auguston, K. (1997), “How Minolta’s paperless system will achieve a 2‐years ROI”, Modern Materials Handling, Vol. 52 No. 6, pp. 38‐41.
3. Brealey, M.A. and Myers, S.C. (1991), Principles of Corporate Finance, McGraw‐Hill, New York, NY.
4. Cardais, S. (1997), “Is there a $1.8 million customer in your warehouse”, Logistics Management, Vol. 36 No. 3, pp. 4‐7.
5. Cooke, J.A. (1996), “A sneak peak at tomorrow’s technology”, Logistics Management, Vol. 35 No. 12, pp. 51‐3.