1. M. Baeyertz, “Nonmetallic Inclusions in Steel” (ASM, Metals Park Ohio, 1947), p. 1.
2. R. Kiessling, “Nonmetallic Inclusions in Steel” (ISI pub. 115, The Iron and Steel Institute, London, 1968), p. 31.
3. M. Baeyertz, “Nonmetallic Inclusions in Steel”, p. 94.
4. J. Gurland andJ. Plateau,Trans. ASM 56 (1963) 442.
5. R. H. Edwards,J. Appl. Mechanics 18 (1951) 19.