000 00516nam a2200193Ia 4500
005 20250619145206.0
008 250619s9999||||xx |||||||||||||| ||und||
020 _a8120307135
_c145
040 _aMAIN
041 _aEnglish
082 _a621.382
_bVIS
100 _aViswanathan, Thiagarajan
245 0 _aTelecommunication switching systems and networks
260 _aNew Delhi
_b; Prentice Hall
_c, 1994
300 _axx,583p.
650 _aCommunication Engineering
650 _aEngineering
942 _cBK
999 _c123711
_d123711