1. G.E. Dieter:Mechanical Metallurgy, 2nd ed., McGraw-Hill, New York, NY, 1976, pp. 261–80.
2. R.K.W. Honeycombe:Steels: Microstructure and Properties, Edward Arnold (Publishers) Ltd., London, and ASM, Metals Park, OH, 1981, p. 102.
3. W.C. Leslie:The Physical Metallurgy of Steels, McGraw-Hill, New York, NY, 1981, p. 288.
4. O. Grong and D.K. Matlok:Int. Met. Rev., 1986, vol. 31, pp. 27–48.
5. H.C. Sorby,J. Iron Steel Inst., 1887, vol. 30, pp. 255–88.