1. O.C. Zienkiewicz, “The Finite Element Method”, Third Edition, Me. Graw Hill, UK, 1985, p. 135
2. A. Barker & E. Pinder, Ironmaking & Steelmaking, 1976, p. 195
3. K.C. Barraclough, Iron & Steel, Sept/Oct 1962, p. 2
4. F. Turner, “The Development of Gas Turbine Materials”, ed G.W. Meetham, 1981, p. 177, Applied Science Publisher Barking, UK
5. B. Baudelet, Metals & Materials, 1974, p. 117