000 00514 a2200205 4500
003 ISURu
005 20240721182856.0
008 210126b ce ||||| |||| 00| 0 sin d
020 _a0471620564
041 _aeng
080 _a621.395.721
_bBEL
100 _aBellamy,John
_930668
245 _aDigital telephony
250 _a2nd ed.
260 _aNew York
_bJohn Wiley
_c1990
_g1990
300 _axix,572p.
650 0 _aELECTRICAL ENGINEERING
_9690
942 _cR
_2ddc
945 _dMain Library ADMIN
_c26318
999 _c97221
_d118056