1. M. J. Marcinkowski:Phil. Mag., 1968, vol. 17, p. 159.
2. M. J. Marcinkowski and James Larsen:Met. Trans., 1970, vol. 1, p. 1034.
3. J. C. M. Li:Electron Microscopy and Strength of Crystals, G. Thomas and J. Washburn, eds., p. 713, Interscience Publishers, New York, 1963.
4. M. J. Marcinkowski:Electron Microscopy and Strength of Crystals, G. Thomas and J. Washburn, eds., p. 333, Interscience Publishers, New York, 1963.
5. W. Carrington, K. F. Hale, and D. McLean:Proc. Roy. Soc., 1960, vol. A259, p. 203.