James, R. W., The optical principles of the diffraction of x-rays / by R.W. James. - Ithaca, N.Y. : Cornell University Press, 1965. - xvi, 664 pages : illustrations ; 23 cm. - The crystalline state vol. II . Includes bibliographical references and index. Subjects--Topical Terms: X--rays--Diffraction.X--ray crystallography.Crystal optics.