1. Clarckson, J.E., Diamond, R.M., Stephens, F.S., Perlman, I.: Nucl. Phys. A93, 272 (1967)
2. Ward, D., Diamond, R.M., Stephens, F.S.: Nucl. Phys. A117, 309 (1968)
3. Future on Nuclear Studies, Proceedings of pannel Conference in Dubna, 1?3 July, 1968; IAEA, Vienna (1969) p. 73
4. Sakai, M., Ishihara, M., Gono, Y., Yoshikawa, N.: INS-report 146, Tokyo (1970)
5. Kerek, A., Luukko, A., Grecescu, M., Sztarker, J.: Nucl. Phys. A172, 603 (1971)