000 00426nam a2200157Ia 4500
008 250909s9999||||xx |||||||||||||| ||und||
035 _a1359
082 _a621.382
100 _aVISWANATHAN T.
245 0 _aTELECOMMUNICATION SWITCHING SYSTEMS AND NETWORKS
260 _bPHI LEARING PRV.LTD
_c2014, R.P. 2015
300 _aI-XX, 1-620
500 _aSE/SI/2096
650 _aELECTRONICS AND TELECOMMUNICATION
942 _cBK
999 _c19537
_d19537