1. W. Betteridge, J. Heslop (Eds.), The Nimonic Alloys, 2nd ed., Edward Arnold, London, 1974.
2. Precipitation hardening of superalloys by ordered γ′-particles
3. Precipitation hardening
4. C.T. Sims, N.S. Stoloff, W.C. Hagel (Eds.), Superalloys II, Wiley, New York, 1987.
5. B. Reppich, in: R.W. Cahn, P. Haasen, E.J. Kramer (Eds.), Materials Science and Technology, vol. 6, VCH, Weinheim, 1993, p. 311.