000 00341nam a2200133Ia 4500
008 220108s9999||||xx |||||||||||||| ||und||
100 _aTHIAGARAJAN VISWANTHA
245 0 _aTELECOMMUNICATION SWITCHING SYSTEMS AND NETWORK
250 _a5TH.
260 _bPRENTICE HALL, NEW DELHI
_c1997
300 _a583
650 _aPHYSICS
942 _cBK
999 _c17561
_d17561