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2. P. Nash and D.R.F. West, Phase Equilibria in Ni-rich Region of Ni-Cr-Hf System, Met. Sci., 1981, 15, p 353-356
3. P. Nash, Phase Diagrams of Binary Nickel Alloys, ASM International, Materials Park, OH, 1991 (Review)
4. V.F. Khorunov, V.L. Ivanchenko, and V.V. Kvasnishkii, Structure and Phase Composition of Ni-Cr-Zr and Ni-Cr-Hf alloys, Avtomaticheskaya, 1999, II, p 14-16 and 21, in Russian, (Phase equilibria, #)
5. K.P. Gupta, The Chromium-Hafnium-Nickel System, J. Phase Equilib., 2001, 22(1), p 78-84 (Review)