1. Hasselgren, A.: Nucl. Phys. A 198 (1972) 353.
2. Fournier, R., Kroon, J., Hsu, T.H., Hird, B., Ball, G.C.: Nucl. Phys. A 202 (1973) 1.
3. Kato, N.: Nucl. Phys. A 203 (1973) 97.
4. Show, D.L.: Thesis, Michigan State Univ. (1974); Diss. Abstr. Int. B 36 (1975) 299.
5. Kovalik, A., Yakushev, E.A., Filosofov, D.V., Gorozhankin, V.M., Stekl, I., Petev, P., Mahmoud, M.A.: Program and Thesis, Proc. 50th Ann. Conf. Nucl. Spectrosc. Struct. At. Nucl., SPb, p. 174 (2000).