1. R. Boeri: Ph.D. Thesis, University of British Columbia, Canada, 1989.
2. G. Rivera, R. Boeri, and J. Sikora: Adv. Mater. Res., 1997, vol. 4, pp. 169–74.
3. J. Sikora, R. Boeri, and G. Rivera: Proceedings of the International Conference on the Science of Casting and Solidification, Romania, 2001, pp. 321–29.
4. R. Aagaard, J. Hattel, W. Schäfer, I. L. Svensson, and P. Hansen: AFS Trans., 1996, vol. 96, pp. 659–67.
5. D. Banerjee and D. Stefanescu: AFS Trans., 1991, vol. 99, pp. 747–59.