Stallings, William.
Network security essentials : applications and standards /by William Stallings - New Jersey Prentice Hall 2000 - xiii, 366 p.
130160938
Network security
005.8 / STA
Network security essentials : applications and standards /by William Stallings - New Jersey Prentice Hall 2000 - xiii, 366 p.
130160938
Network security
005.8 / STA