SEARCH Articles Figures Tables Dispersion theory of X-rays Kinematic and Geometric Theories of X-ray Diffraction Propagation along the optic axis for wavelengths pitch analogy with Darwins dynamical theory of X-ray diffraction Relativistic theory of resonant X-ray scattering Theories of X-Ray Emission by Charged Particles Theory for concentration determination with the x-ray gravitational sedimentation technique X-ray spectroscopy theory