1. V. K. Pecharsky and P. Y. Zavalij, Fundamentals of Powder Diffraction and Structural Characterization of Materials (Springer Science and Business Media, LLC, 2009), p. 128.
2. H. P. Klug and L. E. Alexander, X-Ray Diffraction Procedures (Wiley, New York, 1954), pp. 211–218.
3. H. P. Klug and L. E. Alexander, X-ray Diffraction Procedures for Polycrystalline and Amorphous Materials, 2nd ed. (John Wiley & Sons, New York, 1974), pp. 354–356.