1. S. Gowri: AFS Trans., 1994, vol. 102, pp. 503–12.
2. J. Charbonnier and A. Kearney: AFS Trans., 1984, vol. 91, pp. 907–18.
3. S. Argyropoulos, B. Closset, and H. Oger: AFS Trans., 1983, vol. 90, pp. 351–63.
4. K.E. Honer and H. Dootz: Foundry Trade J., 1989, vol. 97, pp. 141–48.
5. D. Apelian and J.J.A. Cheng: AFS Trans., 1986, vol. 93, pp. 797–808.