1. D. Tivoli,Gazz. Chim. Ital., 14, 488 (1884); quoted in [Hansen]. (Equi Diagram; Experimental)
2. H.L. Wells, “Spenylite, a New Mineral,”Am. J. Sci., 37, 67–70 (1889). (Equi Diagram; Experimental)
3. F. Roessler, “Synthesis of Earth Minerals and Analogous Metal Compounds by Dissolution and Crystallization inMoltenMetals,”Z. Anorg. Chem., 9, 31–77 (1895) in German. (Equi Diagram; Experimental)
4. K. Friedrich and A. Leroux, “Melting Points of Platinum-Arsenic and Arsenic-Bismuth,”Metallurgie, 5(5), 148–149 (1908) in German. (Equi Diagram; Experimental; #)
5. W.F. de Jong, “The Structure of Sperrylite,”Physica, 5, 292–301 (1925) in Dutch. (Equi Diagram, Crys Structure; Experimental)