Brudner, Harvey J.; Borowitz, Sidney Thomas-Fermi technique for determining wave functions for alkali atoms with excited valence electrons. (English) Zbl 0090.23002 Phys. Rev., II. Ser. 120, 2053-2063 (1960). PDFBibTeX XMLCite \textit{H. J. Brudner} and \textit{S. Borowitz}, Phys. Rev., II. Ser. 120, 2053--2063 (1960; Zbl 0090.23002) Full Text: DOI
Sternheimer, R. M. Electronic polarizabilities of ions from the Hartree-Fock wave functions. (English) Zbl 0057.22806 Phys. Rev., II. Ser. 96, 951-968 (1954). PDFBibTeX XMLCite \textit{R. M. Sternheimer}, Phys. Rev., II. Ser. 96, 951--968 (1954; Zbl 0057.22806) Full Text: DOI
van Vleck, J. H.; Whitelaw, N. G. The quantum defect of nonpenetrating orbits, with special application to Al II. (English) Zbl 0008.14103 Phys. Rev., II. Ser. 44, 551-569 (1933). PDFBibTeX XMLCite \textit{J. H. van Vleck} and \textit{N. G. Whitelaw}, Phys. Rev., II. Ser. 44, 551--569 (1933; Zbl 0008.14103) Full Text: DOI