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2. Kals, H.J., van Houten, F.J.A.M., 1982, “On Flexible Manufacture Based on a Production Information Management System (PIMS)”. Proceedings of the 14th CIRP International Seminar on Manufacturing Systems, Trondheim
3. Nicolin, C., 1987, “Economy of Production”, Remarks at World Productivity Forum, Washington
4. “A Digital Link for Adaptive Control and On-Line FMS-Applications”;Novák;Annals of the CIRP,1989
5. “Developments and Trends in Monitoring and Control of Machining Processes”;Tönshoff;Annals of the CIRP,1988