Campbell, D. O.; Krichinsky, A. M.; Laughlin, S. S.; Van Essen, D. C. & Yong, L. K. Technical Competencies for the Safe Interim Storage and Management of 233U at U.S. Department of Energy Facilities, report, February 17, 1999; (https://digital.library.unt.edu/ark:/67531/metadc685684/m1/1/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .