Understanding data communications /
Held, Gilbert, 1943-
Understanding data communications / Gilbert Held. - 7th ed. - xv, 765 p. : ill. ; 23 cm.
0672322161 (alk. paper)
2001089583
Data transmission systems
Computer networks
TK5105 / H429 2002
Understanding data communications / Gilbert Held. - 7th ed. - xv, 765 p. : ill. ; 23 cm.
0672322161 (alk. paper)
2001089583
Data transmission systems
Computer networks
TK5105 / H429 2002
