000 00571nam a2200217 a 4500
001 3592
003 BD-DhUET
008 900501s1991 nyua b 001 0 eng
020 _a0471620564
040 _aDLC
_cDLC
_dBD-DhUET
082 _a623.85
_bBEL/1991
100 _aBellamy, John
245 1 0 _aDigital telephony
250 _a2nd ed.
260 _aNew York
_bJohn wiley & sons
_c1991
300 _axix, 572 p.
_bill.
_c25 cm.
490 _a Wiley Series in telecommunications
504 _aIncludes bibliographies
650 0 _a Digital telephony
942 _cGB
999 _c3592
_d3592