1. R.E. Brown: Light Metals Processing and Applications, Canadian Institute of Mining, Metallurgy and Petroleum (Canada), Quebec City, PQ, Canada, 1993, pp. 691–700.
2. R.L. Koenig and G.L. Dunlop: Mater. Aus., 1992, vol. 24 (9), pp. 12–15.
3. D.L. Albright: Light Met. Age, 1994, vol. 52 (3–4), pp. 26–28.
4. D.M. Magers: Light Met. Age, 1996, vol. 54 (9–10), pp. 60 and 62.
5. G.S. Cole: Light Metals 1997, Canadian Institute of Mining, Metallurgy and Petroleum (Canada), Sudbury, ON, Canada, 1997, pp. 51–67.