1. V.V. Savin, Formation and Stability of Laves Phases in the Nickel-Iron-Niobium System, Fiz. Met. Metalloved., Vol 68 (No. 1), 1989, p 143–149 (in Russian); TR: Phys. Met. Metallogr., Vol 68 (No. 1), 1989, p 140–146
2. L.J. Swartzendruber, V.P. Itkin, and C.B. Alcock, The Fe-Ni (Iron-Nickel) System, J. Phase Equilibria, Vol 12 (No. 3), 1991, p 288–312
3. V. Raghavan, The Fe-Nb-Ni (Iron-Niobium-Nickel) System, Phase Diagrams of Ternary Iron Alloys. Part 6, Indian Institute of Metals, Calcutta, 1992, p 1025–1027
4. T. Ueyama, M.M. Ghanem, N. Miura, M. Takeyama, and T. Matsuo, Phase Stability of Ni3Nb-δ Phase in Ni-Nb-M Systems at Elevated Temperatures, THEROMEC-97, Int. Conf. Thermomech. Process. Steels Other Mater., 2nd ed., T. Chandra and T. Sakai, Ed., The Minerals, Metals and Materials Soc., Vol 2, 1997, p 1753–1760
5. H. Okamoto, Nb-Ni (Niobium-Nickel), J. Phase Equilibria, Vol 19 (No. 3), 1998, p 289