Crist Table of BEs & FWHMs donated by B. Vincent Crist, senior editor of The XPS Library From Monochromatic XPS System Comparison of FWHM: Monochromatic versus Non-Monochromatic X-ray Sources Comparison of FWHM – Chart Form: Monochromatic versus Non-Monochromatic X-ray Sources Comparison of FWHM: Monochromatic versus Non-Monochromatic X-ray Sources