1. G. S. Doble: Ph.D. thesis, Department of Metallurgy, Case Western Reserve University, Cleveland, Ohio, November 1967.
2. B. A. Wilcox and A. H. Clauer:Acta Met., 1972, vol. 20, p. 743.
3. R. W. Fraser and D. J. I. Evans:Oxide Dispersion Strengthening, vol. 47, p. 375, Gordon and Breach, New York, 1968.
4. B. A. Wilcox and A. H. Clauer:Trans. TMS-AIME, 1966, vol. 236, p. 570.
5. A. H. Clauer and B. A. Wilcox:Metal Sci. J., 1967, vol. 1, p. 86.