1. B. L. Henke, R. White, and B. Lundberg, J. Appl. Phys., Vol. 28, 1957, pp. 98–105.
2. A. H. Compton and S. K. Allison, X-Rays in Theory and Experiment, D. Van Nostrand Co., Princeton, N. J., 1946, p. 799.
3. L. G. Parrat and C. F. Hempstead, Phys, Rev., Vol. 94, 1954, p. 1593 and their Ref. 1.
4. B. L. Henke and J. C. Miller (in preparation). See also Proceedings of Second International Symposium on X-Ray Microscopy-Stockholm, in preparation (1959); complete universal tables for ultrasoft X-ray atomic scattering factors given in Technical Report No. 3, Ultrasoft X-ray Physics, AFOSR TN-895, 1959.
5. A. Guinier and G. Fournet, Small-Angle Scattering of X-rays, with bibliography by K. L. Yudowitch; John Wiley and Sons, New York, 1955.