1. Supported in part by the National Science Foundation under Grant CHE-76-02473.
2. Presented in part at the ACS/CSJ Chemical Congress, Honolulu, Hawaii, April 2–6, 1979, Paper NUCL 34.
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4. A. D. WAHL, R. L. FERGUSON, D. R. NETHAWAY, D. E. TROUTNER, K. WOLFSBERG, Phys. Rev., 126 (1962) 1112.
5. A. C. WAHL, A. E. NORRIS, R. A. ROUSE, J. C. WILLAIMS, in Physics and Chemistry of Fission, IAEA, Vienna, 1969, p. 813.