1. Bom K. Park: U.S. Patent 4,589,932. Assignee: Alcoa; Date issued: May 20, 1986.
2. I.J. Polmear: Light Alloys, Metallurgy of Light Metals, Edward Arnold Publishing, London, 1981.
3. R. Jeniski, Jr., B. Thanaboonsombut, and T.H. Sanders, Jr.: Metall. Mater. Trans. A, 1996, vol. 27A, pp. 19–27.
4. B. Thanaboonsombut and T.H. Sanders, Jr.: unpublished research, Georgia Tech, 1996.
5. P.N. Anyalebechi, T.N. Rouns, and R.E. Sanders, Jr.: in Light Metals 1991, Elwin L. Rooy, ed., TMS, Warrendale, PA, 1990.