1. G. Lutjering and J.C. Williams, Titanium, 2nd ed. (Newark: Springer, 2007).
2. Boeing, “787 Dreamliner Program Facts” (Chicago, IL: Boeing Corporate Offices, 2009), www.boeing.com/commercial/787family/programfacts.html.
3. R. Johnson, private communication (2009).
4. F.H. Froes, “Titanium P/M-An Overview,” Powder Materials: Current Research and Industrial Practices, ed. F.D.S. Marquis, N.N. Thadhani, and E.V. Barrera (Warrendale, PA: TMS, 2001), pp. 20–39.
5. R.M. German, Powder Metallurgy & Particulate Materials Processing (Princeton, NJ: Metal Powder Industries Federation, 2005).