1. 1) ASM Committee on titanium and titanium alloys. Introduction to titanium and its alloys, Metals Handbook 9th ed Vol. 3 Properties and selection: Stainless steels, tool materials and special-purpose metals, ASM Int, Metals Park, 1980, p. 353-360.
2. 2) ISO 22674, Dentistry —Metallic materials for fixed and removable restorations and appliances. ISO, Switzerland, 2006, p. 1-22.
3. 3) Takahashi M, Kikuchi M, Takada Y, Okuno O. Mechanical properties and microstructures of dental cast Ti-Ag and Ti Cu alloys. Dent Mater J 2002; 21: 270-280.
4. 4) Kikuchi M, Takahashi M, Okuno O. Elastic moduli of cast TiAu, Ti-Ag, and Ti-Cu alloys. Dent Mater 2006; 22: 641-646.
5. 5) ANSI/ADA Specification No. 5, Dental casting alloys. ADA, Illinois, 1997, p.1-12.