1. 56Bar: M.J. Barbier-Andrieux, “Sur la Préparation par Électrolise Ignée des Alliages du Germanium avec le Silicium et Quelques Autres Métalloides (On the Preparation of Alloys of Germanium with Silicon and Other Metalloids by Molten Salt Electrolysis)”,C. R. Acad. Sci. (Paris), 242, 2352–2354 (1956) in French. (Equi Diagram; Experimental)
2. 58Dem: G. De Maria, J. Drowart, and M.G. Inghram, “Mass Spectrometric Study of Inter-Group IVB Molecules”,Bull. Am. phys. Soc. Ser. II, 3, 140–141 (1958). (Thermo; Experimental)
3. 59Dro: J. Drowart, G. De Maria, A.J.H. Boerboom, and M.G. Inghram, “Mass Spectrometric Study of Inter-Group IVB Molecules”,J. Chem. Phys., 30, 308–313 (1959). (Thermo; Experimental)
4. Indicates key paper59Sca: R.I. Scace and G.A. Slack, “Solubility of Carbon in Silicon and Germanium”,J. Chem. Phys., 30, 1551–1555 (1959). (Equi Diagram; Experimental; Indicates presence of a phase diagram)
5. 63Jay: A. Jayaraman, W. Klement, Jr., and G.G. Kennedy, “Melting and Polymorphism at High Pressures in Some Group IV Elements and III–V Compounds in the Diamond/Zincblende Structure”,Phys. Rev., 130, 540–547 (1963). (Equi Diagram, Pressure; Experimental)