1. Anomalous Scattering edited by Ramaseshan, S., Abrahams, S.C. Kopenhagen: Munksgaard 1975
2. Parratt, L.G.: Phys. Rev.95, 359 (1954)
3. James, R.W.: The Optical Principles of the Diffraction of X-rays. London: Bell, G. & Sons 1958
4. Suortti, P., Jennings, L.D.: Acta Cryst. A31 S 3, S 218 (1975)
5. Azároff, L.V.: X-ray Spectroscopy. New York: Mc Graw-Hill 1974