1. Moore, M., Simpson, O.D., Watanabe, T., Russell, J.E., Hockenbury, R.W.: Phys. Rev. 135 (1964) B945. Exfor 12545 (1976, 1984).
2. Sauter, G.D., Bowman, C.D.: Phys. Rev. 174 (1968) 1413. Exfor 12344.
3. Blons, J., Derrien, H., Michaudon, A.: Proc. 3rd Conf. on Neutron Cross Sections for Technology, Knoxville, 1971, Vol. 2, p. 836. U.S. Atomic Energ. Comission, 1971. Exfor 20484.
4. Kolar, W., Carraro, G.: Proc. 3rd Conf. on Neutron Cross Sections for Technology, Knoxville, 1971, Vol. 2, p. 707. U.S. At. Energ. Comission, 1971. Exfor 20116.
5. Blons, J.: Nucl. Sci. Engin. 51 (1973) 130.