| 000 | 00701nac a2200205 04500 | ||
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| 001 | CIA01000000000000000012468 | ||
| 005 | 20220227184125.0 | ||
| 008 | 991125c19911991mx a 000 0 eng u | ||
| 020 | _a0-201-52501-1 | ||
| 035 | _a026192 | ||
| 050 | 0 | 4 |
_aTK 5103 _b7 H46 1991 |
| 100 | 1 | _aHelgert, Hermann J. | |
| 245 | 1 | 0 |
_aIntegrated services digital networks: _barchitectures, protocols, standards |
| 260 |
_aEstados Unidos : _bAddison Wesley Iberoamericana, _c1991 |
||
| 300 |
_a449 p. : _bil. ; _c24 cm. |
||
| 650 | 4 | _aServicios integrados de redes digitales | |
| 903 |
_aLOGICAT _b20 _c20040112 _lCIA01 _h1404 |
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| 903 |
_aALEPH14 _b30 _c20051220 _lCIA01 _h1415 |
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| 903 |
_c20141127 _lCIA01 _h2300 |
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