1. J. Airey and C. Young, “Economic justification. Counting the strategic benefits,” in “Proceedings of the 2nd International Conference on FMS,” London, 1983.
2. “Perspectives on flexibility in manufacturing,”;Blackburn,1985
3. “Flexible manufacturing systema: a review of modelling approaches for design, justification and operation,”;Kalkunte,1985
4. “Plan for economies of scope,”;Goldhar;Harvard Business Review,1983
5. “Managing as if tomorrow mattered,”;Hayes;Harvard Business Review,1982