1. F.H. Frees, Fourth Israel Materials Conference, Beer Sheva, Israel, Dec. 1988, to appear in the proceedings (1989).
2. F.H. Froes, “Aerospace Materials for the Twenty-First Century,” Materials and Processes (1989), in press.
3. F.H. Froes, “Engineered Structural Aerospace Materials for the Twenty-First Century,” Materials Edge (1989), in press.
4. F.H. Froes, Materials Edge (5) (May 1988), p. 19.
5. F.H. Froes, Space Age Materials Technology, SAMPE Metals Conf., 2 (1988), p. 1.