1. V. R. Hibbard, Jr. and E. W. Hart: Dispersion Hardening of Copper-Chromium Alloys. AIME Trans., 1955, vol. 203, p. 200; Journal of Metals, January 1955.
2. D. S. Bloom and N. J. Grant: The System Chromium-Carbon. AIME Trans., 1950, vol. 188, p. 41; Journal of Metals, January 1950.
3. R. L. Fullman: Measurement of Approximately Cylindrical Particles in Opaque Samples. AIME Trans., 1953, vol. 197, p. 1267; Journal of Metals, September 1953.
4. A. G. Metcalfe, C. H. Sump, and W. C. Troy: Fiber Metallurgy. Metal Progress, 1955, vol. 67, p. 81.