Understanding data communications /
Held, Gilbert,
Understanding data communications / Gilbert Held. - 7th ed. - Boston : Addison; 2002. - xviii, 765 p. : ill. ; 24 cm.
Previous eds. written by George E. Friend ... et al.
8176353191 0672322161
99060971
Data transmission systems.
Computer networks.
004.6 / H4743
Understanding data communications / Gilbert Held. - 7th ed. - Boston : Addison; 2002. - xviii, 765 p. : ill. ; 24 cm.
Previous eds. written by George E. Friend ... et al.
8176353191 0672322161
99060971
Data transmission systems.
Computer networks.
004.6 / H4743