000 | 00421 a2200157 4500 | ||
---|---|---|---|
999 |
_c36708 _d36708 |
||
020 | _a9788120350830 | ||
082 | _a621.380 VIS | ||
100 | _aViswanathan, Thiagarajan | ||
245 | _aTelecommunication Switching Systems and Networks | ||
250 | _a2nd | ||
260 |
_bPHI Learning Pvt. Ltd. _c2015 _aDelhi |
||
300 | _a620 | ||
650 | _aTelecommunication--Switching systems | ||
700 | _aBhatnagar, Manav | ||
942 |
_2ddc _cBK |