| http://www.w3.org/ns/prov#value | - For example, useful phosphors are described in numerous references relating to fluorescent intensifying screens, including but not limited to, Research Disclosure, Vol. 184, August 1979, Item 18431, Section IX, X-ray Screens/Phosphors; and U.S. Pat. No. 2,303,942 (Wynd et al.); U.S. Pat. No. 3,778,615 and U.S. Pat. No. 4,032,471 (both to Luckey); U.S. Pat. No. 4,225,653 (Brixner et al.); U.S. Pat.
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