1. G. Cadwell: Advances in Production Technology for SPF of Titanium, Society of Manufacturing Engineers, Effective Applications of SPF and DB for the Engineering Specialist (1988), Section 4.
2. G. Cadwell: U.S. Patents 4, 984, 348 (1991); 5, 016, 805 (1991); 5, 209, 093 (1993); 5, 214, 949 (1993), U.S. Patent Office.
3. R.V. Curtis, A.S. Juszczyk and J.D. Walter: Superplastic Forming of Ti-6Al-4V with Applications in Dentistry, Superplasticity and Superplastic Forming 1998, TMS (1999), p.287.
4. A. Joceln, T. Flower and D. Nash: Generic Ceramic Tooling for the SPF/DB Process, ICSAM 2000, Trans Tech Publications (2001), p.23.
5. B. Ginty, et al: U.S. Patent 4, 901, 552 (1990), U.S. Patent Office.