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Detecting nuclear weapons and radiological materials how effective is available technology? : joint

United States. Congress. House. Committee on Homeland Security. Subcommittee on the Prevention of Nuclear and Biological Attack.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2007. 2007

Nuclear security NRC and DHS need to take additional steps to better track and detect radioactive ma

United States. Government Accountability Office.
[Washington, D.C.] : U.S. Govt. Accountability Office, [2008] 2008

Preventing nuclear terrorism does DHS have an effective and efficient nuclear detection strategy? :

United States. Congress. House. Committee on Homeland Security. Subcommittee on Cybersecurity, Infrastructure Protection, and Security Technologies, author.
Washington : U.S. Government Printing Office, 2013. 2013

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