1. Dehmer, J.L., Dill, D., Parr, A.C.: In: Photophysics and photochemistry in the vacuum ultra-violet. p. 341 McGlynn, S., et al. (eds.). Dordrecht, Boston, London: D. Reidel Publishing Company 1985;
2. Dehmer, J.L., Parr, A.C., Southworth, S.H.: In: Handbook on Synchrotron Radiation. Marr, G.V. (ed.), Vol. II. Amsterdam: North Holland 1986
3. Greene, Ch., Jungen, Ch.: Adv. At. Mol. Phys.21, 51 (1985)
4. Nenner, I., Beswick, J.A.: In: Handbook on synchrotron radiation. Marr, G.V. (ed.), Vol. II. Amsterdam: North Holland 1986
5. Keller, F., Lefebvre-Brion, H.: Z. Phys. D — Atoms, Molecules and Clusters3 (1986)