000 00372nam a2200169Ia 4500
008 220901s9999 xx 000 0 und d
041 _a  ENGLISH
082 _a621.395
082 _bALI
100 _aALI,SYED RIFFAT
245 0 _aDigital SWitching systems
260 _bTMH
260 _c2002
300 _a217
650 _a  DIGITAL SYSTEMS
942 _cTB
999 _c140046
_d140046