000 00327nam a2200097Ia 4500
008 180926s9999 xx 000 0 und d
100 _aALI,SYED RIFFAT;
245 _aDIGITAL SWITCHING SYSTEMS:SYSTEM RELIABITYAND ANALYSIS
500 _aANALYSIS ; DIGITAL ; RELIABITYAND ; SWITCHING ; SYSTEMS:SYSTEM
650 _aGeneralities(000)
999 _c323336
_d323336