1. P. Ring and R. S. Nikam, in Proc. Intern. Conf. on Microscopic Theory of Nuclear Structure (Sorrento, Italy, May 1986).
2. R. S. Nikam, P. Ring, and L. F. Canto, Z. Phys. 324, 241 (1986);
3. Phys. Lett. B185, 269 (1987);
4. P. Ring, Proc. IX Workshop in Nuclear Physics, Buenos Aires (June, 1986), Ed. by Macchiavelli, Sofia, and Ventura, (World Scientific, Singapore, 1987), p. 143; P. Ring, Proc. Workshop on Microscopic Models in Nuclear Structure Physics, Oak Ridge Oct. 3???4 1988, (World Scientific, Singapore), p. 298.
5. L. F. Canto, R. Donangelo, R. S. Nikam, and P. Ring, Phys. Lett. B192, 4 (1987).