1. Practical Surface Analysis: Auger and X-Ray Photoelectron Spectroscopy, Ed. by D. Briggs and M. P. Seah (Wiley, Chichester, 1990; Mir, Moscow, 1987).
2. S. S. Voitusik, A. I. Zagorenko, and V. I. Zaporozhchenko, Izv. Akad. Nauk SSSR, Ser. Fiz. 54, 1298 (1990).
3. Th. Wirth, M. Procop, and H. Lange, Surf. Interface Anal. 8, 7 (1986).
4. V. G. Beshenkov, Yu. N. Parkhomenko, D. A. Podgorny, and E. G. Polyakova, Izv. Akad. Nauk, Ser. Fiz. 69, 493 (2005).
5. S. W. Gaarenstroom, Appl. Surf. Sci. 7, 1 (1981).