Understanding data communications /
20080729
Understanding data communications / written by George E. Friend ... [et al.] ; with contributions by Gerald Luecke, managing editor, Charles W. Battle, editor. - 4th ed. / revised by Gilbert Held. - New Delhi : Prentice Hall of India, c1996. - 435 p. : ill. ; 23 cm.
Includes index.
Bibliography: p. 283.
0672272709 (pbk.) : 8120310802
88060044
Data transmission systems.
621.382 / F9117
Understanding data communications / written by George E. Friend ... [et al.] ; with contributions by Gerald Luecke, managing editor, Charles W. Battle, editor. - 4th ed. / revised by Gilbert Held. - New Delhi : Prentice Hall of India, c1996. - 435 p. : ill. ; 23 cm.
Includes index.
Bibliography: p. 283.
0672272709 (pbk.) : 8120310802
88060044
Data transmission systems.
621.382 / F9117