1. G. T. Fujii: ASTM STP 610, H. Craig, ed., p. 213, American Society for Testing and Materials, Philadelphia, PA, 1976.
2. T. L. Capelleti:Proceedings of Second International Conference on Mechanical Behavior of Materials, p. 1489, ASM, Metals Park, OH, 1976.
3. A. W. Thompson:Metall. Trans., 1973, vol. 4, p. 2819.
4. D. R. Mclntyre and C. Sonnino:Second International Conference on Hydrogen in Metals, Paper 3E2, Paris, France, Pergamon Press, Oxford, England, 1978.
5. K. B. Das, W. G. Smith, R. W. Finger, and J. N. Masters:Second International Conference on Hydrogen in Metals, Paper 3E1, Paris, France, Pergamon Press, Oxford, England, 1978.