1. C. R. Kennedy and R. B. Poeppel:InterCeram, 1978, vol. 27, pp. 221–26.
2. C. R. Kennedy:J, Mater. Energy Systems, 1980, vol. 2, pp. 11–20.
3. J. A. Bonar, C. R. Kennedy, and R. Swaroop:Amer. Ceram. Soc. Bull., 1980, vol. 59, pp. 473–78.
4. C. R. Kennedy, R. Swaroop, D. J. Jones, R. J. Fousek, R. B.Poeppel, and D. Stahl: Report No. ANL-78-61, Argonne National Laboratory, September 1978.
5. W. A. Ellingsonet al: Report No. ANL-81-11, pp. 4–17, Argonne National Laboratory, March 1981.