000 | 00382nam a2200133Ia 4500 | ||
---|---|---|---|
100 | _aJ. ATKINSON | ||
020 | _a0-283-43180-3 | ||
365 | _cRS | ||
365 | _d1 | ||
942 | _cENGBK | ||
245 | _aTelephony: A detailed Exposition of the Telephone Exchange systems of the British post Office Vol 1 | ||
260 |
_bPitman publishing ltd 39, parker stree _c1979 _aLONDON |
||
300 | _aXII+509 | ||
999 |
_c30053 _d30053 |