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The last line of defense federal, state, and local efforts to prevent nuclear and radiological terro

United States. Congress. House. Committee on Homeland Security. Subcommittee on Cybersecurity, Infrastructure Protection, and Security Technologies.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2012. 2012

Radiation source use and replacement abbreviated version

National Research Council (U.S.). Committee on Radiation Source Use and Replacement.
Washington, D.C. : National Academies Press, c2008. 2008

Status report on federal and local efforts to secure radiological sources : hearing before the Subco

United States. Congress. House. Committee on Homeland Security. Subcommittee on Emerging Threats, Cybersecurity, and Science and Technology.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2010. 2010