1. P.V. Riboud and M. Larrecq:Steel Proc. ISS-AIME, 1979, vol. 62, pp. 78–92.
2. K.C. Mills, R.F. Brooks, and A. Olusanya:Can. Inst. Min. Met. Int. Symp. on the Physical Chemistry of Iron and Steelmaking, Aug./Sept., 1982, AIME, Warrendale, PA, 1982, pp. HI 45–51.
3. M.A. Knight:J. Am. Ceram. Soc, 1945, vol. 28, pp. 297–302.
4. ASTM Standards 1986, ASTM, Philadelphia, PA, 1986, Sect. 15, pp. C729-75.
5. OASTM Standards 1986, ASTM, Philadelphia, PA, 1986, Sect. 15, pp. C693-84.