Executive guide to the protection of information resources /
Helsing, Cheryl W.
Swanson, Marianne.
Todd, Mary Anne.
National Institute of Standards and Technology (U.S.)
Gaithersburg, Md. : National Computer Systems Laboratory, National Institute of Standards and Technology ; Washington, DC : For sale by the Supt. of Docs., U.S. G.P.O.,
[1989]
Computers