21985
Bellamy, John
1491-
Digital telephony
New York
Wiley
c2000
xxv, 643p.: ill
Wiley series in telecommunications and signal processing
"A Wiley-Interscience publication"
Includes bibliographical references and index
John C. Bellamy
3rd ed
، Digital telephone systems
TK
5103
.
7
.
B44
2000
AU
TI
SE
CL
