Understanding data communications :
Held, Gilbert, 1943-
Understanding data communications : from fundamentals to networking / Gilbert Held. - 3rd ed. - Chichester ; New York : Wiley, c2000. - xvi, 852 p. : ill., map ; 26 cm.
Includes index.
9780471627459
00032094
Data transmission systems.
Computer networks.
TK 5105 / .H42 2000
Understanding data communications : from fundamentals to networking / Gilbert Held. - 3rd ed. - Chichester ; New York : Wiley, c2000. - xvi, 852 p. : ill., map ; 26 cm.
Includes index.
9780471627459
00032094
Data transmission systems.
Computer networks.
TK 5105 / .H42 2000