1. W.A. Spitzig and R.J. Sober, Influence of Sulfide Inclusions and Pearlite Content on the Mechanical Properties of Hot-Rolled Car- bon Steels,Metall. Trans. A, Vol 12A (No. 2), 1981, p 281–291
2. I. Kozasu, T. Shimizu, and H. Kubota, The Effect of Nonmetallic Inclusions on the Ductility and Toughness of Structural Steels,Trans. Iron Steel Inst. Jpn., Vol 13 (No. 1), 1973, p 20–28
3. T. Gladman, B. Holmes, and I.D. Mclvor, Effects of Second Phase Particles on Strength, Toughness and Ductility,Effect of Second Phase Particles on the Mechanical Properties of Steel, Iron and Steel Institute, London, 1971, p 68–78
4. T.J. Baker, K.B. Gove, and J.A. Charles, Inclusion Deformation and Toughness Anisotropy in Hot-Rolled Steels,Met. Technoi, April 1976, p 183–193
5. W. Dahl, H. Hengstenberg, and C. Duren, Behavior of Different Types of Sulphides during Shaping and Their Effect on the Me- chanical Properties,Stahl Eisen, Vol 86 (No. 13), 1966, p 796–817