Stallings, William.
Data and computer communications / William Stallings. - 9th ed. - Boston : Prentice Hall, c2011. - xxv, 853 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0132172178 9780132172172
2010025052
Data transmission systems.
Computer networks.
TK5105 / .S73 2011
004.6
Data and computer communications / William Stallings. - 9th ed. - Boston : Prentice Hall, c2011. - xxv, 853 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0132172178 9780132172172
2010025052
Data transmission systems.
Computer networks.
TK5105 / .S73 2011
004.6