Understanding data communications /
Held, Gilbert, 1943-
Understanding data communications / Gilbert Held. - 7th ed. - Boston : Addison-Wesley, c2002. - xv, 765 p. : ill. ; 23 cm.
Includes bibliographical references and index.
0672322161 9780672322167
2001089583
Data transmission systems.
Computer networks.
TK5105 / H429 2002
004.6 H.G.U 2002
Understanding data communications / Gilbert Held. - 7th ed. - Boston : Addison-Wesley, c2002. - xv, 765 p. : ill. ; 23 cm.
Includes bibliographical references and index.
0672322161 9780672322167
2001089583
Data transmission systems.
Computer networks.
TK5105 / H429 2002
004.6 H.G.U 2002