1. Urban M, Cernusak I, Kello V, Noga J (1987) Electron correlation in molecules. In: Wilson S (ed) Methods in computational chemistry, vol 1. Plenum, pp 117–250
2. Sinanoglu O (1961) Many-electron theory of atoms and molecules I. Shells, electron pairs vs many-electron correlations. J Chem Phys 36:706–717
3. Shavitt I (1977) The method of configuration interaction. In: Schaefer HF (ed) Methods of electronic structure theory, vol 3. Plenum, pp 189–275
4. Paldus J (1974) Group theoretical approach to the configuration interaction and perturbation theory calculations for atoms and molecular systems. J Chem Phys 61:5321–5330
5. Roos BO, Siegbahn PEM (1977) The direct configuration interaction method from molecular integrals. In: Schaefer HF (ed) Methods of electronic structure theory, vol 3. Plenum, pp 277–318