| 000 | 00706nas a22002777a 4500 | ||
|---|---|---|---|
| 001 | 23317 | ||
| 003 | AR-BaUFI | ||
| 005 | 20241004105417.0 | ||
| 008 | 240930m1941||||xxu|||||r#||||0|||#0eng#d | ||
| 022 | _a0096-8692 | ||
| 040 |
_aAR-BaUFI _bspa |
||
| 080 | _a621.39 | ||
| 210 | 0 | _aBell Teleph. mag. | |
| 222 | 0 | _aBell Telephone magazine | |
| 245 | 0 | 0 | _aBell Telephone magazine |
| 260 |
_aNew York : _bBell System, _c1941- |
||
| 300 | _av. | ||
| 650 | 0 | 4 |
_aCOMUNICACION _916628 _2EIT |
| 650 | 0 | 4 |
_aTELECOMUNICACIONES _922102 _2SP |
| 710 | 2 | _aBell System | |
| 786 | _oAIG | ||
| 942 |
_n0 _cCR _2udc |
||
| 964 | 0 | 0 | _bAIG00002098 |
| 985 | 0 | 0 |
_2BIBUN 096$a _aDep |
| 997 | _bPUBENSERIE | ||