000 00449nam a2200181Ia 4500
003 OSt
008 181001s2002 xx 000 0 und d
020 _a9789814126359
022 _a9788126509294
082 _a621.385
_bBEL
100 _aBellamy, John C.
245 0 _aDigital telephony
250 _a3rd
260 _bJohn Wiley & Sons,
_aNew Delhi:
_c©2002
300 _axxv, 643p.
650 _aComputer Science Engineering
942 _2ddc
_cBK
999 _c2012
_d2012