1. 08Fri: K. Friedrich, “Some Small Contribution to Metallographic and Metallurgical Area,”Metallurgie, 5(20), 593–604 (1908) in German. (Equi Diagram; Experimental)
2. 09Pel: H. Pelabon, “Fusibility of (Binary) Mixtures of Sulfur, Selenium, and Tellurium with Certain Metals,”Ann. Chim. Phys., 17, 566 (1909) in French. (Equi Diagram; Experimental)
3. Indicates key paper61Vog: R. Vogel and R. Gerhardt, “On the Second Boiling Points in the Systems Gold-Sulfur and Gold-Selenium,”Z. Metallkd., 525, 318–320 (1961) in German. (Equi Diagram; Experimental)
4. 66Hir: H. Hirsch, A. deCugnac, M. C. Gadet, J. Pouradier, “Crystallography of Aurous Sulfide,”Compt. Rend., 263B(23), 1328–1330 (1966) in French. (Meta Phases; Experimental)
5. 84HCP: Handbook of Chemistry and Physics, CRC Press, Inc., Boca Raton, FL (1984).