1. Indicates key paper40Rut: Ruttewit and G. Masing, “Alloys of Ge with Bi, Sb, Fe and Ni”,Z. Metallkd., 32, 51–61 (1940) in German. (Equi Diagram; Experimental; Indicates presence of phase diagram)
2. 42Lav: F. Laves and H.J. Wallbaum, “On the Influence of Geometrical Factors on the Stoichiometric Formula of Intermetallic Compounds”,Z. Angew. Mineral., 4, 17–46 (1942) in German. (Crys Structure; Experimental)
3. 50Pfi: H. Pfisterer and U.K. Schubert, “New Phases of MNP (B31)-Type”,Z. Metallkd., 41, 358–367 (1950) in German. (Crys Structure; Experimental)
4. 53Cas: L. Castelliz, “Crystal Structure of Mn5Ge3 and its Ternary Phases with Two Transition Elements”,Monatsh. Chem., 84, 765–776 (1953). (Crys Structure; Experimental)
5. 54Mae: F. Maesen and J.A. Brenkman, “The Solid Solubility and the Diffusion of Nickel in Germanium”,Philips. J. Res., 9, 225–230 (1954). (Equi Diagram, Thermo; Experimental)