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|---|---|---|---|
| 020 | _a0-273-43180-0 | ||
| 082 | _a621.385 ATK'T | ||
| 100 |
_aATKINSON, J _977265 |
||
| 245 | _aTELEPHONY A DETAILED EXPOSITION OF THE TELEPHONE EXCHANGE SYSTEM OF THE BRITISH POST OFFICE | ||
| 250 | _aVOL-1 | ||
| 260 |
_aLONDON _bPITMAN _c1972 |
||
| 942 | _cBK | ||
| 999 |
_c582566 _d582566 |
||