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2. Y.P. Jeannin:Problems of Nonstoichiometry, A. Rabenau, ed., North-Holland Publishing Co., Amsterdam, The Netherlands, 1970, ch. 2, pp. 118–19.
3. E.K. Storms:The Refractory Carbides, Academic Press, New York, NY, 1967, pp. 48–53.
4. E.K. Storms and R.J. McNeal:J. Phys. Chem., 1962, vol. 66, pp. 1401–08.
5. A.D. Mah: U.S. Department of Interior, Bureau of Mines, Report of Inv. No. 6177, Pittsburgh, PA, 1963.