1. V.L. Davies:AFS Cast Metals Research Journal, 1975, vol. 11, p. 33.
2. M.C. Flemings:Solidification Processing, McGraw-Hill, New York, NY, 1974, p. 234.
3. H. F. Bishop and W. S. Pellini:AFS Trans., 1950, vol. 58, p. 185.
4. T. S. Piwonka and M.C. Flemings:Trans. AIME, 1966, vol. 236, p. 1157.
5. N. Streat and F. Weinberg:Metall. Trans. B, 1976, vol. 7B, p. 417.