ELECTRONICS UPGRADE TO THE SAVANNAH RIVER NATIONAL LABORATORY COULOMETER FOR PLUTONIUM AND NEPTUNIUM ASSAY, article, July 8, 2011; (https://digital.library.unt.edu/ark:/67531/metadc840511/m1/2/: accessed April 17, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .