Luken, D.W.; Brettschneider, D.J.; Heck, R.P. III & White, C.A. Processing of uranyl nitrate hexahydrate (UNH) at DOE`s Fernald Site: Success and pitfalls, article, February 1, 1996; (https://digital.library.unt.edu/ark:/67531/metadc669651/m1/1/: accessed April 25, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .