1. IAEA-TECDOC-537;R. J. Rosenberg,1990
2. R. C. Greenwood, in Proc. 3rd Internat. Symp. Neutron-Capture Gamma Ray Spectroscopy and Related Topics, eds R. E. Chrien, W. R. Kane, Plenum, New York, 1979, p. 441.
3. Inst. Phys. Ser.;D. L. Anderson,1982
4. M. D. Glascock, in Neutron-Capture Gamma-Ray Spectroscopy and Related Topics, eds T. von Egidy, F. Gonnenwein, B. Maier, Inst. Physics, London, 1982, p. 641.
5. R. E. Chrien, in Neutron Radiative Capture, eds B. J. Allen et al, Pergamon, Oxford, 1984, p. 187.