1. 32Lin: J. O. Linde, “Electrical Properties of Dilute Alloys, III”,Ann. Phys. (Leipzig), 15(2), 219–248 (1932) in German. (Equi Diagram; Experimental)
2. 35Sch: R. Schwarz, “on the Chemistry of Germanium”,Z. Angew. Chem., 48(15), 219–223 (1935) in German. (Equi Diagram; Experimental)
3. 37Ein: E. Einecke, “The Chemistry of Germanium”,Chem. Zeitung, 61(101), 989–991 (1937) in German. (Equi Diagram; Experimental)
4. Indicates key paper45Jaf: R. I. Jaffee, E. M. Smith, and B. W. Gonser, “The Constitution of the Gold-Germanium System”,Trans. Met. Soc. AIME, 161, 366–372 (1945). (Equi Diagram; Experimental; Indicates presence of a phase diagram)
5. Indicates key paper45Owe: E. A. Owen and E. A. O. Roberts, “The Solubility of Certain Metals in Gold”,J. Inst. Met., 71, 213–254 (1945). (Equi Diagram, Crys Structure; Experimental; Indicates presence of a phase diagram)