TY  - BOOK
AU  - Bellamy, John.
TI  - DIGITAL TELEPHONY
SN  - 8126509295
U1  - 621.385 
PY  - 2000///
CY  - Newdelhi
PB  - John Wiley& Sons
KW  - trafic tables
KW  - lost calls cleared
KW  - lost calls held
N1  - index
ER  -