1. M. G. Scott, ?Rapidly Quenched Metals III?, edited by B. Cantor, Vol. 1 (The Metals Society, London, 1978) p. 198.
2. E. Hornbogen and I. Schmidt, ibid?, p. 261.
3. U. Herold and U. Köster, ibid?, p. 281.
4. A. L. Greer and J. A. Leake, ibid?, p. 299.
5. J. L. Walter and S. F. Bartram, ibid?, p. 307.