@BOOK{NAP18787, author = "National Research Council", title = "VUV and X-Ray Sources for Atomic and Molecular Science: Report of a Workshop", doi = "10.17226/18787", url = "https://nap.nationalacademies.org/catalog/18787/vuv-and-x-ray-sources-for-atomic-and-molecular-science", year = 1986, publisher = "The National Academies Press", address = "Washington, DC" }