"held, gilbert . "
understanding data communications: / gilbert.. held - 4 ed. - new delhi : prentice-hall 1996. - "xvii, 435p.; 23 cm."
includes bibliography
81-203-1080-2
data communication
TK5105
005. 71 hel
understanding data communications: / gilbert.. held - 4 ed. - new delhi : prentice-hall 1996. - "xvii, 435p.; 23 cm."
includes bibliography
81-203-1080-2
data communication
TK5105
005. 71 hel