http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ionizing radiation protection (licensing, control, transportation, disposal, and radiation safety)
"Supersedes AR 55-55, 12 November 1970; AR 700-52, 22 May 1968; AR 755-15, 4 November 1966; and TM 3-260, 2 August 1968, including all changes"--P. i.