1. C. W. Oatley, The Scanning Electron Microscope, Cambridge University Press, Cambridge, England (1972).
2. L. Reimer, Scanning Electron Microscopy, Springer-Verlag, Heidelberg (1985).
3. Ibid., pp. 227–44.
4. E. Menzel and E. Kubalek, Scanning
5, 151 (1983).
5. L. Dubbeldam and P. Kruit, Scanning Microsc. 1, 1647 (1987).