1. Reisdorf, W.N., Unik, J.P., Glendenin, L.E.: Nucl. Phys. A205, 348 (1973)
2. Newson, H.W.: Proc. Int. Conf. on the interactions of neutrons with nuclei. Vol. 2, p. 1403. Massachusetts: LoWell 1973
3. Unik, J.P., Gindler, J.E., Glendenin, L.E., Flynn, K.F., Gorski, A., Sjoblom, R.K.: Proc. 3rd IAEA Symp. on Physics and Chemistry of Fission, Rochester, Vol. 2, p. 19 (1974)
4. Asghar, M., Guet, C., Perrin, P.: Nucl. Phys. A298, 13 (1978)
5. Trochon, J., Abou Yehia, H., Brisard, F., Pranal, Y.: Nucl. Phys. A318, 63 (1979)