TY  - BOOK
AU  - BELLAMY JOHN C
TI  - DIGITAL TELEPHONY
SN  - 978-81-265-0929-4
U1  - 621.389 3 BEL 
CY  - NEW DELHI
KW  - ELECTRONICS
KW  - DIGITAL TELEPHONY
N1  - UNDET TEQIP PHASE -II
ER  -