Understanding data communications /
Held, Gilbert,
Understanding data communications / Gilbert Held. - 6th ed. - Boston : Addison-Wesley, c2002. - xv, 765 p. : ill. ; 23 cm.
0672322161 (alk. paper)
2001089583
Data transmission systems.
Computer networks.
004.6 / H4743
Understanding data communications / Gilbert Held. - 6th ed. - Boston : Addison-Wesley, c2002. - xv, 765 p. : ill. ; 23 cm.
0672322161 (alk. paper)
2001089583
Data transmission systems.
Computer networks.
004.6 / H4743