1. J. F. Counsell, R. M. Dell, and J. F. Martin, Trans. Faraday Soc. 62, 1736 (1966).
2. E. F. Westrum, Jr. and C. M. Barber, J. Chem. Phys. 45, 635 (1966).
3. J. F. Counsell, R. M. Dell, A. R. Junkison, and J. F. Martin, Trans. Faraday Soc. 63, 72 (1967).
4. H. Yokokawa, Y. Takahashi, and T. Mukaibo, in Thermodynamics of Nuclear Materials (IAEA, Vienna, 1975), Vol. 2, p. 419.
5. J. F. Counsell, J. F. Martin, R. M. Dell, and A. R. Junkison, in Thermodynamics of Nuclear Materials (IAEA, Vienna, 1967), p. 385.