1. V. M. Strutinsky, Nucl. Phys. A 95, 420 (1967).
2. W. Nazarewicz, R. Wyss, and A. Johnson, Nucl. Phys. A 503, 285 (1989).
3. A. Bohr and B. Mottelson, Nuclear Structure (Benjamin, New York, 1974), Vol. 2.
4. A. S. Davydov, Excited States of Nuclei (Atomizdat, Moscow, 1967).
5. S. Bjørnholm and J. E. Lynn, Rev. Mod. Phys. 52, 725 (1980).