1. Eyring,H., Walter,J., Kimball,G.E.: Quantum chemistry, pp. 166?167. New York: John Wiley & Sons 1944; Moeller,T.: Inorganic chemistry, p. 129. New York: John Wiley & Sons 1952; Atkins,P.W.: Molecular quantum mechanics, p. 261. Oxford: Clarendon Press 1970; Levine,I.N.: Quantum chemistry, Vol. I, p. 287. Boston: Allyn and Bacon 1970
2. Goodisman,J.: Theoret. Chim. Acta (Berl.)31, 101 (1973)
3. Dementi,E.: Tables of atomic wave functions. San Jose, Calif.: International Business Machines Corp. 1965
4. Cohen,M., Dalgarno,A.: Proc. Phys. Soc.77, 748 (1961); Kern,C.W., Karplus,M.: J. Chem. Phys.40, 1374 (1964)
5. Sperber,G.: Intern. J. Quantum Chem.5, 189 (1971)