1. 57HAY: Hayes, E.T. and Deardorff, D.K., “The Phase Diagram of the Ti-Hf System”, USBM-V-345 (1957).
2. 59TYL: Tylkina, M.A., Pekarev, A.I. and Savitskii, E.M., “Phase Diagram of the Titanium-Hafnium System”,Zh. Neorg. Khim.:4(10), 2320 (1959); TR:Russ. J. Inorg. Chem.: 4(10), 1059 (1959).
3. 60THO: Thomas, D.E. and Hayes, E.T.,The Metallurgy of Hafnium, USAEC Tech. Rept. (1960).
4. 62IMG: Imgram, A.G., Williams, D.N. and Ogden, H.R., “Tensile Properties of Binary Titanium-Zirconium and Titanium-Hafnium Alloys”,J. Less-Common Met.:4, 217 (1962.
5. 66CHA: Chang, Y.A., USAF Tech. Rept. AFML-TR-65-2, Part II, Vol. V (1966); as cited in [69RUD]. Rudy, E., “Compilation of Phase Diagram Data”, USAF Tech. Rept. AFML-TR-65-2, Part V (1969).