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|---|---|---|---|
| 008 | 241226s9999 xx 000 0 und d | ||
| 020 | _a0-07-044744-6 | ||
| 082 |
_a621.382 _bHEL |
||
| 100 | _aHeld, G | ||
| 245 | 0 | _aVoice & data internetworking | |
| 250 | _a3rd edition. | ||
| 260 |
_aNew Delhi : _bTata Mcgraw-Hill Pub, _c2001. |
||
| 300 | _axviii,397 | ||
| 365 | _a375 | ||
| 650 | _aElectrical Electronics Communication, | ||
| 999 |
_c134849 _d134849 |
||