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| 082 | _a621.382 V829T | ||
| 100 | _aViswanathan,Thiagarajan | ||
| 245 | 0 | _aTelecommunication Switching Systems and Networks | |
| 260 |
_aN.Delhi _bPHI Learning Private Limited _c2011 |
||
| 300 | _a583p. | ||
| 690 | _aTelecommunication - Switching Systems;Telecommunication Systems | ||
| 942 | _cBK | ||
| 999 |
_c175408 _d175408 |
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