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2. ISO 1977, 3685-1977.
3. Tool-wear and Tool-life;Cook;ASME J. of Eng. for Ind.,1973
4. B. M. Kramer 1979An Analytical Approach to Tool Wear Prediction, Ph.D Thesis, Department of Mechanical Engineering, MIT, USA.
5. Analytical Prediction of Cutting Tool Wear;Usui;Wear,1984