1. R. Clift, J. R. Grace, and M. E. Weber:Bubbles, Drops and Particles, Academic Press, New York, NY, 1978.
2. C.R. Blank and F. B. Pickering:The Solidification of Metals, Metals Society, ISI 110, 1968, pp. 370–76.
3. H. R. Thresh, A. F. Crawley, and D. W. G. White:Trans. TMS-AIME, 1968, vol. 242, p. 819.
4. W. L. Findlay:Silver Bearing Copper, Corinthian Editions, New York, NY, 1968, p. 299.
5. M. J. Stewart and F. Weinberg:Journal of Crystal Growth, 1971, vol. 12, pp. 217–27.