| 000 | 00340nam a22001217a 4500 | ||
|---|---|---|---|
| 020 | _a0-273-43181-1 | ||
| 082 | _a621.385 ATK'T | ||
| 100 |
_aAKKINSON, J _977267 |
||
| 245 | _aTELEPHONY A DETAILED EXPOSITION OF THE TELEPHONE EXCHANGE SYSTEMS OF THE BRITISH POST OFFICE | ||
| 250 | _aVOL-II | ||
| 260 |
_aLONDON _bPITMAN _c1990 |
||
| 942 | _cBK | ||
| 999 |
_c582568 _d582568 |
||