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Minimum security requirements for federal information and information systems

Information Technology Laboratory (National Institute of Standards and Technology)
Gaithersburg, MD : Computer Security Division, Information Technology Laboratory, National Institute of Standards and Technology, [2006] 2006

Standards for security categorization of federal information and information systems

Information Technology Laboratory (National Institute of Standards and Technology)
Gaithersburg, MD : Computer Security Division, Information Technology Laboratory, National Institute of Standards and Technology, [2004] 2004