1. Alberti, N., Noto La Diega, S., Passannanti, A. and La Commare, U. (1988) Cost Analysis of FMS Throughput. CIRP Annals, Vol. 37 /1, 413–416.
2. Gaalman, G. J. C. and Nawijin, W. M. (1994) Tool Sharing in Parallel Part Production. 8th International Working Seminar on Production Economics, Innsbruck, Austria, 95–122.
3. La Commare, U., Noto La Diega, S. and Perrone, G. (1992) FMS Management Considering Tool and Part Flow Coordination. Manufacturing Systems, Vol. 22, 339–343.
4. Lee E.S. and Li, R.J. (1993) Fuzzy Multiple Objective Programming and Compromise Solution with Pareto Optimum. Fuzzy Set and Systems, Vol. 53, 275–288.
5. Liou, T. S. and Wang, M. J. (1992) Rankings Fuzzy Numbers with Integral Value. Fuzzy Set and Systems, Vol. 50, 247–255.