1. M. Cardona, L. Ley (eds.): Photoemission in Solids I, II, Topics Appl. Phys., Vols.26 and 27 (Springer, Berlin, Heidelberg 1978/79) B. Feuerbacher, B. Fitton, R.F. Willis (eds.): Photoemission and the Electronic Properties of Surfaces (Wiley, New York 1978 ) S. Hüfner: Introduction to Photoemission Spectroscopy, Springer Ser. Solid-State Sci., Vol.82 (Springer, Berlin, Heidelberg 1992 )
2. V. Dose: Momentum-resolved inverse photoemission, Surf. Sci. Rep. 5, 337378 (1985)
3. Y. Tanaka, A.S. Jursa, F.J. Le Blank: J. Opt. Soc. Am. 48, 304 (1958)
4. E.E. Koch: In Proc. 8th All Union Conf. High Energy Particle Physics, Erevan (1975), Vol. 2, p. 502
5. V. Dose: Appl. Phys. 14, 117 (1977)