1. H.D. Hagstrum: Phys. Rev. 150, 495 (1966);
2. J. Vac. Sci. Technol. 12, 7 (1975)
3. D.J. Fabian: In Soft X-Ray Band Spectra and Electronic Structure, ed. by D.J. Fabian (Academic, New York 1968) p. 215
4. (RBS) L.C. Feldman, J.W. Mayer: Fundamentals of Surface and Thin Film Analysis (Elsevier, Amsterdam 1986)
5. (SIMS) A. Benninghoven, F.G. Rüdenauer, H.W. Werner: Secondary Ion Mass Spectrometry (Wiley, New York 1987)