000 00527nam a2200193Ia 4500
999 _c48770
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020 _a81-7515-057-2
041 _aen
082 _a004.65
100 _aLAWTON, L.S
_92472
245 0 _aIntegrated Digital Networks
260 _aNew Delhi
_bGalgotia Publication Pvt.Ltd.
_c1996
300 _avii, 415p.
650 _aElectronic Telephones
_91876
650 _aDigital Networks
_91506
650 _aDigital Transmission
_91506
942 _cPR
_2ddc