1. K. Fulton, Gas Turbine World (May–June 1994), pp. 52–56.
2. B. Gunston, The Development of Jet and Turbine Aero Engines (Sparkford, U.K.: Patrick Stephens Ltd., 1996).
3. D. DeMania et al., “Influence of Grain Boundary Elements and Refractory Element Chemistries on the Properties of a Nickel-Base Superalloy Disk Material” (Paper presented at AeroMat’96, Dayton, Ohio, July 1996).
4. R. Noel, D. Furrer, and J. Lemsky, Proceedings of the 3rd ASM-International Paris Conference (Materials Park, OH: ASM, 1997).
5. G. Vroman, American Metal Market (October 1, 1998), pp. 10A–11A.