National strategy for the physical protection of critical infrastructures and key assets.
Washington, D.C. : [Dept. of Homeland Security?] ; 
Infrastructure (Economics) /
Infrastructure (Economics) / Government policy /
Terrorism > Terrorism / Prevention > Terrorism / Prevention / Government policy > Terrorism / Prevention / Government policy / United States.
National security > National security / United States.
Civil defense > Civil defense / United States.
United States > United States / Defenses.
Shipping list no.: 2003-0125-P.
Also available via Internet from the Dept. of Homeland Security web site. Address as of 3/18/2003: http://www.dhs.gov/interweb/assetlibrary/Physical%5fStrategy.pdf; current access available via PURL.
xii, 83 p. :
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