1. B. A. Wilcox and A. H. Clauer:Acta Met., 1972, vol. 20, p. 743.
2. J. S. Benjamin:Met. Trans., 1970, vol. 1, p. 2943.
3. B. A. Wilcox and A. H. Clauer:Dispersion Strengthening, Chapter VII, C. T. Sims and W. C. Hagel, eds., published by J. Wiley and Sons, 1972.
4. J. S. Benjamin and R. L. Cairns:Mod. Develop. Powder Metal, 1970, vol. 5, p. 47.
5. K. T. Aust:The Art and Science of Growing Crystals, Chapter 23, J. J. Gilman, ed., published by J. Wiley and Sons, 1963.