1. 28Syk: C. Sykes, “Alloys of Zirconium II”,J. Inst. Met., 41, 179–189 (1928). (Equi Diagram; Experimental)
2. Indicates key paper. 28All: T. E. Allibone and C. Sykes, “The Alloys of Zirconium”,J. Inst. Met., 39, 173–179 (1928). (Equi Diagram; Experimental)
3. Indicates key paper. 53Hay: E. T. Hayes, A. H. Roberson, and O. G. Paasche, “The Zirconium-Nickel Phase Diagram”,Trans. ASM, 45, 893–900 (1953). (Equi Diagram; Experimental; Indicates presence of a phase diagram.)
4. 54Pog: S. A. Pogodin and V. I. Sokorobogatova, “Alloys of Nickel Zirconium”,Izv. Sekt. Fiz.-Khim. Anal., Inst. Obshch. Neorg. Khim., Akad. Nauk SSSR, 25, 70–80 (1954).
5. Indicates key paper. 57Smi: E. T. Smith and R. W. Guard, “Investigation of the Nickel-Rich Portion of the System Ni−Zr”,Trans. AIME, 209, 1189–1190 (1957). (Equi Diagram, Crys Structure; Experimental; Indicates presence of a phase diagram.).