| 000 | 003960000a22001450004500 | ||
|---|---|---|---|
| 001 | EST | ||
| 003 | 621.39 / S17 | ||
| 004 | M | ||
| 006 | m | ||
| 100 | _aStandard Electric, Research and Development Center | ||
| 245 | _aTelecommunication planning | ||
| 068 | _aEjemplar Inv. Nº 14434 en DEPOSITO | ||
| 650 | _a<TELECOMUNICACIONES><ORGANIZACION DE EMPRESAS><COMERCIALIZACION | ||
| 999 |
_c15888 _d15888 |
||