000 00436nam a2200169Ia 4500
999 _c2219
_d2219
003 OSt
005 20230714101150.0
008 201006s9999 xx 000 0 und d
020 _a9788120350830
100 _aVISWANATHAN,THIAGARAJANA
245 0 _aTELECOMMUNICATION SWITCHING SYSTEM AND
260 _bPHI, NEW DELHI
300 _a620p
650 _aELECTRONICS
650 _atelecommunication switching system and
942 _cBK
_2ddc