Worl, L. A. (Laura A.); French, Catherine A. & Kreyer, L. S. (Lawrence S.). Metrology and quality assurance from surveillance of gas compositions over PuO[sub 2], article, January 1, 2002; (https://digital.library.unt.edu/ark:/67531/metadc932359/m1/1/: accessed November 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .