TY  - BOOK
AU  - Bellamy, John
TI  - Digital telephony
SN  - 0 471 08089-6
U1  - 621.385 
PY  - 1982///
CY  - New York
PB  - John Wiley
KW  - Digital communication
KW  - Digital electronics
KW  - Telephony switching
N1  - Includes bibliographical references and index
ER  -