1. 2W. Young, S. Rasmussen, I. B. Cutler, J. J. Burke, N. L. Reed, and Volker Weiss ; p. 185 -202 inUltrafine-Grain Ceramics . Syracuse University Press, Syracuse, N.Y., 1970 .
2. New Method of Obtaining Volume, Grain‐Boundary, and Surface Diffusion Coefficients from Sintering Data
3. 5D. L. Johnson, L. Berrin, G. C. Kuczynski, N. A. Hooton, and C. F. Gibbon ; p. 445 -69 inSintering and Related Phenomena . Gordon and Breach, Science Publishers, Inc., New York, 1967 .