1. P. M. Morse and H. Feshbach, Methods of Theoretical Physics (McGraw-Hill, New York, Toronto, London, 1953), Vol. 2.
2. S. Hoffman, Auger and X-Ray Photoelectron Spectroscopy in Material Science (Springer, Berlin, Heidelberg, 2013).
3. S. Tougaard, J. Vac. Sci. Technol., A 14 (3), 1415 (1996).
4. V. P. Afanas’ev, D. S. Efremenko, D. A. Ivanov, P. S. Kaplya, et al., J. Surf. Invest.: X-ray, Synchrotron Neutron Tech. 8 (1), 71 (2014).
5. V. P. Afanas’ev, O. Yu. Golovina, A. S. Gryazev, P. S. Kaplya, et al., J. Vac. Sci. Technol., B: Microelectron. Nanometer Struct.–Process., Meas., Phenom. 33 (3), 03 D101 (2015).