1) たとえば, Y.Ito, T.Ohmi and Y.Shima : An EvaluationMethod of Flexible Manufacturing System, 25th Int, MTDR Conf., Birmingham, U.K., April(1985) 89.
2) たとえば, N.Martensson, L.Martensson and J. Stahre : Human-Centred Flexible Manufacturing Systems in Ma-chining and Assembly, Ito edit Human Intelligence-Based Manufacturing, Springer Verlag, (1993) 69.