1. W. A. Spitzig and R. J. Sober:Metall, Trans. A, 1981, vol. 12A, pp. 281–91.
2. R. A. Grange:Metall. Trans., 1971, vol. 2, pp. 417–26.
3. R. J. Lee and R. M. Fisher:Particle Analysis, National Bureau of Standards STP 533, Washington, DC, 1980, pp. 63-83.
4. R. J. Lee, F. E. Huggins, and G. P. Huffman:Scanning Electron Microscopy, SEM Inc., O’Hare, IL, 1978, vol. 1, pp. 561–68.
5. R. T. DeHoff and F. N. Rhines:Trans. TMS-AIME, 1961, vol. 221, pp. 975–82.