National critical functions: status update to the critical infrastructure community / U.S. Department of Homeland Security, Cybersecurity and Infrastructure Security Agency.
Publication Info.
[Washington, D.C.] : U.S. Department of Homeland Security, Cybersecurity and Infrastructure Security Agency, 2020.
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Description
1 online resource (12 pages) : color illustrations
text rdacontent
computer rdamedia
online resource rdacarrier
Note
"July 2020."
Description based on online resource; title from PDF title page (CISA website, viewed Dec. 28, 2020).
