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3. Gerald P. Vandenberg ed., 1990, “Thickness Control at Dofasco's No. 2 Hot Strip Mill,”Iron and Steel Engineer, Nov., pp. 17–24.
4. Grimble, M. J., 1976, “Tension Controls in Strip Processing Lines,”Metals Technology, Oct. pp. 446–453.
5. Ogata, Katsuhiko, 1990,Modern Control Engineering, 2nd ed., Prentice-Hall, Inc., pp. 776–795.