1. 52Han: M. Hansen, H. D. Kessler, and D. J. McPherson, “The Titanium-Silicon System”,Trans. ASM, 44, 518–538 (1952). (Equi Diagram; Experimental)
2. 54Ell: R. P. Elliott, “A Study of a Family of Laves Type Intermediate Phases”, Armour Research Foundation Technical Report No. 1, OSR-TN-54-247; AD-42, 490, 13 (Aug 1954). (Equi Diagram, Crys Structure; Experimental)
3. 60Dea: D. K. Deardorf, referred to inThe Metallurgy of Hafnium, D. E. Thomas and E. T. Hayes, Ed., 202 (1960). The author confirmed that the work was not published due to lack of confidence (private communication). (Equi Diagram; Experimental)
4. 60Rei: R. Reinbach, “Hafnium as an Alloying Element in Copper, Iron and Nickel”,Z. Metallkd., 51, 292–294 (1960). (Equi Diagram; Experimental)
5. 60Tho: D. E. Thomas and E. T. Hayes,The Metallurgy of Hafnium, U. S. Atomic Energy Commission (1960). (Crys Structure, Equi Diagram; Review)