000 00397nam a22001457a 4500
020 _a0471345717
082 _a621.385
_bBEL/DIG
100 _aBellamy, John C.,
_9622
245 _aDigital Telephony
250 _a3rd ed.
260 _aNew York :
_bWiley- Interscience Publication,
_cc2000.
300 _axxv, 643 p.:
_b[9-B]
504 _aThis book is having appendixes from 573 - 607
942 _cREF
999 _c3579
_d3579