1. H.L. Eiselstein, D.J. Tillack, in: E.A. Loria (Ed.), Superalloy 718, 625 and Various Derivatives, TMS, Warrendale, PA, 1991, p. 1
2. E.E. Brown, D.R. Muzyka, in: C.T. Sims, W.C. Hagel (Eds.), The Superalloys II, Wiley, New York, NY, 1987, p. 165
3. S. Floreen, G.E. Fuchs, W.J. Yang, in: E.A. Loria (Ed.), Superalloys 718, 625, 706 and Various Derivatives, TMS, Warrendale, PA, 1994, p. 13