1. Deformation Twinning, R. E. Reed-Hill, J. P. Hirth, and H. C. Rogers, eds., TMS-AIME Conf. Vol. 25, Gordon and Breach, New York, 1964.
2. R. E. Reed-Hill: Ref. 1, pp. 295–320.
3. R. W. Armstrong: Ref. 1, pp. 356–77.
4. D. McLean:Beryllium Metallurgy, pp. 3–14, Proc. Int. Conf., Grenoble, 1965, French University Press, 1966.
5. P. G. Partridge:Met. Rev., 1967, vol. 12, pp. 169–94.