1. Yu. Ya. Stavisskii and V. A. Tolstikov, in: Nuclear Reactions at Low and Medium Energies. Transactions of the Second All-Union Conference (Moscow, July 1960) [in Russian], Izd-vo AN SSSR, Moscow (1962), p. 562.
2. Neutron Cross Section. Suppl. No. 2, Second Edition. Vol. IIB. Z-41 to 60. BNL-325 (1965).
3. Neutron Cross Section. Suppl. No. 2, Second Edition. Vol. III, Z-88 to 98, BNL-325 (1963).
4. W. Davey, Nucl. Sci. and Engng.,26, 149 (1966).
5. R. Macklin et al., Phys. Rev.,107, 504 (1957).