1. K. Faller and F.H. (Sam) Froes, Materials and Science in Sports, ed. F.H. (Sam) Froes and S. Haake (Warrendale, PA: TMS, 2001), pp. 47–56.
2. A.M. Sherman and J.E. Allison (Paper 860608 presented at the SAE Int. Congress and Exposition, Warrendale, PA, 1986).
3. J.E. Allison, A.M. Sherman, and M.R. Bapna, JOM, 39 (2) (1987), pp. 14–17.
4. A.M. Sherman, C.J. Sommer, and F.H. Froes, JOM, 49 (5) (1997), p. 38.
5. F.H. Froes, Light Metals Age (February 1999), p. 117.