5 Hess, D. D.; Turnbull, G. K., Hydrogen in Metals, Proc. of an Int. Conf. on the Effect of Hydrogen on Materials Properties and Selection and Structural Design, 1973, Eds. Bemstein, I. M.; Thompson, A. W., ASM, p. 277．
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6 Das, K. B.; Roberts, E. C.; Bassett, R. G., ibid., p. 289．
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1 Flemings, M. C.; Riek, R. G.; Young, K. P., Int. Cast Met. J., 1 (1976) , №. 3, 11．
