1. Davis, E.A., Gabbard, F., Bonner, T.W., et al., Nucl. Phys. A, 1961, no. 27, p. 448.
2. Bass, R., Haug, P., Kruger, K., and Staginnus, B., Report from Euratom Countries + Euratom to EAND, 1966, no. 66, p. 6.
3. Smith, D.L., Meadows, J.W., and Whalen, J.F., Nucl. Sci. Eng., 1981, vol. 77, p. 256.
4. Marion, J.B. and Brugger, R.M., Phys. Rev., 1955, vol. 100, p. 69.
5. Bostrom, N.A., Hudspeth, E.L., and Morgan, I.L., Phys. Rev., 1955, vol. 99, p. 643.