Network and internetwork security : principles and practice / William Stallings. Stallings, William. Computer networks Security measures. Computer security. TK5105.5 .S728 1995 005.8 20 STN Includes bibliographical references (p. 449-456) and index. Englewood Cliffs, N.J. : Prentice Hall, ; New York, : IEEE c1995. c1995. 1995 Text xiii, 462 p. : eng