1. Massalski, T., Murray, J., Lawrence, B., and Hugh, B., Binary Alloy Phase Diagram, Metals Park: American Society for Metals, 1986, vol. 1, pp. 260–270.
2. Cretu, C. and van der Lingen, E., Coloured Gold Alloys, Gold Technol., 2000, no. 30, pp. 31–40.
3. Supansomboon, S., Maaroof, A., and Cortie, M.B., “Purple Glory”: The Optical Properties and Technology of AuAl2 Coatings, Gold Bull., 2008, vol. 41, no. 4, pp. 296–304.
4. Metallic Stone, Nauka Zhizn, 1999, no. 6, pp. 123–124.
5. Gen, M.Ya. and Miller, A.V., USSR Inventor’s Certificate no. 814 432, Byull. Izobret., 1981, no. 11, p. 25.