1. V. C. Peterson and J. B. Guernsey:Manufacturing Procedures for a New High Strength Beta Titanium Alloy Having Superior Formability, AFML-TR-69-171, June 1969.
2. N. V. Ageev and L. A. Petrova:Metastable Beta-Alloys of Titanium, FTD-HT- 23-0154-73, April 1973.
3. E. Bohanek: “Deep Hardenable Titanium Alloys for Large Airframe Elements,”Titanium Sci. Technol., R. I. Jaffee and H. N. Burte, eds., p. 1993, Plenum Press, New York, 1973.
4. R. G. Berryman, F. H. Froes, J. C. Chesnutt, C. G. Rhodes, J. C. Williams, and R. F. Malone:High Toughness Titanium Alloy Development, NAVAIR TFD-74-657, July 1974.
5. F. H. Froes, R. F. Malone, V. C. Petersen, C. G. Rhodes, J. C. Chesnutt, and J. C. Williams:Research on Deep Hardenable Titanium Alloy for Large Air- frame Structural Members, AFML-TR-7541, September 1975.