Edwards, W. R.; Hoyer, E. H. & Thompson, A. C. Finite Element Analysis of the Distortion of a Crystal Monochromator From Synchrotron Radiation Thermal Loading, article, October 1985; (https://digital.library.unt.edu/ark:/67531/metadc1206205/m1/1/: accessed December 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .