1. H. Hatwell and A. Berghezan: ISI Special Report 64, ISI, Philadelphia, PA, 1959, p. 88.
2. A.B. Kinzel: J. Met., 1952, vol. 4, pp. 469–88.
3. J. Plateau, G. Henry, and C. Crussard: ISI Special Report 64, ISI, Philadelphia, PA, 1959, p. 157.
4. R. Stickler and A. Vinckier: Trans. ASM, 1961, vol. 54, pp. 362–80.
5. H. Hatwell and E. Votava: Acta Metall., 1961, vol. 9, pp. 945–48.