| 000 | 00362nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1976 xx 000 0 und d | ||
| 082 | _a621.385 4 F59I | ||
| 100 | _aFLOWERS, T. H. | ||
| 245 | 0 | _aIntroduction to exchange systems | |
| 260 |
_bLondon _c1976 |
||
| 300 | _a326p | ||
| 650 | _aTELEPHONE STATIONS | ||
| 653 | _aTELEPHONE STATIONS | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c73374 _d73374 |
||