Computer Security in 1989
Information Security for Managers
by
Longley, Denis, Caelli, William
Datenschutz Und Datensicherung in Klein- Und Mittelbetrieben
by
Mucksch, Harry
Approximative Public-Key-Kryptosysteme
by
Horster, Patrick, Isselhorst, Hartmut
Electronic Facilities Engineering - MIL-HDBK-1012/1: MiL-HDBK-1012/1
by
Department of Defense
Modern Cryptology
by
Brassard, Gilles