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2. A. Guinier: X-Ray Diffraction (Freeman, San Francisco 1963)
3. R.W. James: The Optical Principles of the Diffraction of X-Rays (Bell & Sons, London 1962)
4. E.G. Bauer: In Topics in Applied Physics Vol.4, ed. by R. Gomer (Springer, Berlin, Heidelberg, New York 1975) p. 225
5. G. Ertl, J. Küppers: Low Energy Electrons and Surface Chemistry (Verlag Chemie, Weinheim 1974)