Beamline Phone Number: (630) 252-1834 Argonne Library Electronic Journals Center for X-ray Optics X-ray Interactions with Matter X-ray Data Booklet WebElements Periodic Table Atomic Scattering Factors, Cromer-Liberman Anomalous Dispersion Calculation Finding the Elastic Constants Oak Ridge National Laboratory X-Ray Scattering and Microscopy Group APS Optics Fabrication & Metrology Group Mathworld McMASTER-CARR