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2. S. F. MUGHABGHAB, D. GARBER, Neutron Cross Sections, Vol. 1, Resonance Parameters, Brookhaven National Laboratory Report BNL-325, 1973.
3. N. E. HOLDEN, F. W. WALKER, Chart of the Nuclides, 11th ed., Knolls Atomic Power Laboratory, 172.
4. O. C. KISTNER, A. W. SUNYAR, Phys. Rev., 143 (1966) 916.
5. N. E. HOLDEN, personal communication.