000 00378nam a2200133Ia 4500
008 220919s9999 xx 000 0 und d
082 _bVIS
100 _aVISHVANATHAN, THIAGARAJAU
245 0 _aTELECOMMUNICATION SWITCHING SYSTEM AND NETWORKS
260 _bPHI LEARNING P. LTD, NEW DELHI.
_c2009
300 _a583
650 _aElectronics & Communication Eng.
942 _cBK
999 _c146078
_d146078