1. Ankudinov, A. L.; Ravel, B.; Rehr, J. J.; Conradson, S. D.: Real-Space Multiple-Scattering Calculation and Interpretation of X-Ray-Absorption Near- Edge Structure. Phys. Rev. B 58 (1998) 7565
2. Bearden, J. A.; Burr, A. F.: Reevaluation of X-Ray Atomic Energy Levels. Rev. Mod. Phys. 39 (1967) 125
3. Becker, U.; Shirley, D. A. (Hrsg.): VUV and X-Ray Photoionization. New York: Plenum Press 1996
4. Bizau, J. M.; Wuilleumier, F. J.: Redetermination of Absolute Partial Photoionization Cross Sections of He and Ne Atoms between 20 and 300 eV Photon Energy. J. Electr. Spectrosc. Relat. Phenom. 71 (1995) 205
5. Cardona, M.; Ley, L. (Hrsg.): Photoemission in Solids I: General Principles. Berlin: Springer-Verlag 1978