1. Metals Handbook, Ninth Edition, vol. 1, pp. 572–573, ASM International, Metals Park, Ohio, 1978.
2. L. V. Colwell, D. V. Doane, and J. Tanaka, “Thin Cuts Intensify Tool Wear”:Met. Eng. Quarterly, 1974, 14, p. 32.
3. Metals Handbook [1], p. 581.
4. M.L. Pickett, A. Reeder, and D.J. Naylor, “Effect of Heat Treatment on Machinability of Microalloyed and Low Alloy Steels”:Heat Treatment ’84, pp. 23.1–23.14, The Institute of Metals, London, 1984.
5. J.L. Hurley, A.L. Kitchin, and R.R. Crawford, “Cold Forging of Steels”:Met. Eng. Quarterly, Aug. 1971.