1. L. V. Azâroff, “Theory of Extended Fine Structure of X-Ray Absorption Edges,” Rev. Mod. Phys. 35: 1012, 1963.
2. F. W. Lytle, “X-Ray Absorption Fine Structure in Crystalline and Non-Crystalline Materials,” in: J. A. Prins (ed.), Physics of Non-Crystalline Solids, North-Holland, Amsterdam, 1965, p. 12.
3. F. W. Lytle, “X-Ray Absorption Fine Structure Investigations at Cryogenic Temperatures,” in: J. R. Ferraro and J. S. Ziomek (eds.), Developments in Applied Spectroscopy, Vol. 2, Plenum Press, New York, 1963, p. 285. See also F. W. Lytle, “X-Ray Diffractometric Examination of Low Temperature Phase Changes in SrTiO3,” in: W. M. Mueller, G. Mallett, and M. Fay (eds.), Advances in X-Ray Analysis, Vol. 7, Plenum Press, New York, 1964, p. 136.
4. J. A. Bearden, X-Ray Wavelengths NVO-10586, U.S. Atomic Energy Commission, Division of Technical Information, Oak Ridge, Tennessee, 1964.
5. L. G. Parratt, “Electronic Band Structure of Solids by X-Ray Spectroscopy,” Rev. Mod. Phys. 31: 616, 1959.