Aashamar, K., Luke, T.M., Talman, J.B., (1983) J. Phys. B: At. Mai. Pkys., 16, p. 2698
Biemont, E., Quinet, P., (1989) Proc. 3Rd Int. Conf. On Atomic Spectra and Oscillator Strengths for Astrophysics and Fusion Reseacii (Amsterdam) Ed J E Hansen
Biemont, E., (1990) J. Quant. Spectrosc. Radiat. Transfer, 44, p. 233
Bromage, G.E., (1978) The Cowan-Zealot Suite of Computer Programs for Atomic Structure Report AL-R3 Appleton Laboratory, Didcot, UK
Cowan, R.D., (1981) The Theory of Atomic Structure and Spectra (Berkeley, CA: University of California Press)
Livingston, A.E., (1976) J. Phys. B
At. Mol. Phys., 9, pp. L215
Mardneck, R., Migdalek, J., (1993) J Phys. B
At, Mol. Opt. Phys., 26, p. 1403
Pinnington, E.H., Kernahan, J.A., Donnelly, K.E., (1977) J. Opt. Soc. Am, 67, p. 162