Electronic data processing departments - Security measures

[NT 60487] Overview

[NT 60478] Works:	1 [NT 60520] works in 1 [NT 60521] publications in 1 [NT 60522] languages

[NT 60480] Titles

Network security : private communication in a public world [NT 59711] by: Perlman, Radia; Speciner, Michael; Kaufman, Charlie ([NT 1579] Language materials, printed)