1. Zen Chang Bom et al., Yad. Fiz.,18, 34 (1973).
2. M. A. Kurov et al., At. Énerg.,30, No. 4, 258 (1971).
3. M. G. Shomberg, in: Proc. IAEA Symp. on Nuclear Data for Reactors, Vol. 1, Helsinki (1970), p. 315.
4. J. Trochon et al., J. Phys.,34, 131 (1973).
5. Yu. V. Ryabov, Report IAEA 71-2101 (1971).