TY  - BOOK
AU  - Bellamy, John C
TI  - Digital telephoney
SN  - 9814-12-635-7
U1  - 621. 
PY  - 2005///
CY  - Nwe york
PB  - John Wiley & Sons
KW  - Communication engineering
KW  - Digital telephone system
KW  - Voice Digitization
N1  - Include bibliographical references and index; RBC
ER  -