1. G. Proske, J. Albrecht and G. Lutjering, in Seventh World Conference on Titanium, 28 June–2 July, 1992, San Diego, CA.
2. J. Kumpert, C. H. Ward, Y. T. Lee and M. Peters, in Seventh World Conference on Titanium, 28 June–2 July, 1992, San Diego, CA.
3. C. H. Ward, I. Roman, J. C. Williams and A. W. Thompson, in Seventh Conference on Titanium, 28 June–2 July, 1992, San Diego, CA.
4. K. Yang and D. V. Edmonds, J. Mater. Sci.
29 (1994) 2126.
5. W. Y. Chu and A. W. Thompson, in “Hydrogen Effects on Material Behavior”, edited by N. R. Moody and A. W. Thompson (TMS, Warrendale, PA, 1990) p. 285.