1. Yamamoto, A., Morita, C., Tono, T., Saimoto, S., Saka, S. and Imura, T., Proc. Fifth Int. Conf. on High Voltage Electron Microscopy, Kyoto, (edited by T. Imura and H. Hashimoto), p. 133, 1977.
2. Yamamoto, A., Saka, H. and Imura, T., Kristall Tech., 14, p. 1275, 1979.
3. Yamamoto, A. and Imura, T., Electron Microscopy, p. 368, 1980.
4. Yamamoto, A. and Imura, T., Proc. Int. Conf. on Dislocation Modelling of Physical Systems, Gainesville, Florida, U.S.A., 1980.