1. Stolovy, A., Harvey, J.A.: Phys. Rev. 108 (1957) 353. Exfor 11876.
2. Kim Hi San, Pikelner, L.B., Sirazhet, H., Sharapov, E.I.: Proc. Int. Conf. on the Study of Nuclear Structure with Neutrons, Antwerpen, 1965, p. 572. Exfor 40815.
3. Urbanets, J., Vrzal, J., Liptak, J.: Zh. Eksperim. Teor. Fiz. 49 (1965) 80; Sov. Phys. JETP 22 (1966) 57.
4. Alves, R.N., Barros, S. de, Chevillon, P.L., Julien, J., Morgenstern, J., Samour, S.: Nucl. Phys. A 134 (1969) 118. Exfor 20688.
5. Bečvřá, F., Liptak, J., Urbanets, J., Vrzal, J.: Czech. J. Phys. B 19 (1969) 899.