1. P.R. Viars, The Impact of IHPTET on the Engine/Aircraft System (Report#A1AA-892137; Presented at the Amer. Inst. of Aeronautics and Astronautics, Systems and Operation Conference, Seattle, WA, 31 July, 1988).
2. J. Stringer, AGARD Conference Proceedings No. 12 (NATO, France, 1972), pp. 283–294.
3. H. Inouye, Niobium 81, ed. H. Stuart (Warrendale, PA: TMS, 1981), pp. 615–636.
4. R.W. Buckman, Jr., Alloying, ed. J.L. Walter, M.R. Jackson, and C.T. Sims (Metals Park, OH: ASM International, 1988), pp. p419–445.
5. C.C. Wojcik, High Temperature Niobium Alloys, ed. J.J. Stephens and I. Ahmad (Warrendale, PA: TMS, 1991), pp. 1–12; also see C.C. Wojcik, High Temperature Silicides and Refractory Alloys, ed. C.L. Briant et al. (Pittsburgh PA: MRS, 1994), pp. 519–530.