000 00448nam a2200181Ia 4500
005 20240823043535.0
008 240823s9999||||xx |||||||||||||| ||und||
041 _aENGLISH
082 _A621.382 N2
100 _aViswanathan T
245 0 _aTelecommunication Switching Systems and Networks
250 _a1st
260 _c1992
_b"PHI,New Delhi"
500 _aTRANSFERED
650 _aSwitching
_bElectronics
942 _cBK
999 _c210465
_d210465