1. Steel Bar Product Guidelines, ISS, Warrendale, PA, 1994, pp. 7–10.
2. The Brimacombe Memorial Symp., Canadian Institute of Mining, Metallurgy and Petroleum, Montreal, 2000.
3. W.C. Leslie: The Physical Metallurgy of Steels, Tech Books, New York, NY, 1981.
4. G. Krauss: Steels: Heat Treatment and Processing Principles, ASM INTERNATIONAL, Materials Park, OH, 1990.
5. H.M. Howe: The Metallography of Steel and Cast Iron, McGraw-Hill, New York, NY, 1916, pp. 556–65.