1. O. Sinanoğlu and K. A. Brueckner, Three Approaches to Electron Correlation in Atoms, Yale University Press, New Haven (1970).
2. C. S. Sarma, Correlation energies in atoms, Phys. Rep. C
26, 1–67 (1976).
3. J. I. Musher, in: MPT International Review of Science. Theoretical Chemistry Volume (W. Byers-Brown, ed.), pp. 1–40, Butterworth, London (1972).
4. A. Hibbert, Developments in atomic structure calculations. Rep. Prog. Phys.
38, 1217–1338 (1975).
5. I. Lindgren and J. Morrison, Atomic Many-Body Theory, Springer-Verlag, Berlin (1982).