1. J. Narayan andS. M. Ohr, Proceedings 9th International Congress on Electron Microscopy, Vol. 1, edited by J. M. Sturgess (1978) p. 580.
2. S. Kobayashi andS. M. Ohr, Proceedings 37th Annual Meeting of EMSA, edited by G. W. Bailey (1979) p. 424.
3. S. M. Ohr andJ. Narayan,Phil. Mag. A41 (1980) 81.
4. S. Kobayashi andS. M. Ohr,ibid. A42 (1980) 763.
5. S. M. Ohr andS. Koyayashi,J. Metals 32 (1980) 35.