| 000 | 00389nam a2200169Ia 4500 | ||
|---|---|---|---|
| 003 | 0STCL | ||
| 008 | 150530s9999 xx 000 0 und d | ||
| 040 |
_aSTCL _cSTCL |
||
| 100 | _aAppleton, E.V. | ||
| 245 | _aThermionic vaccum tubes and their applications | ||
| 250 | _aFirst | ||
| 260 | _c1932 | ||
| 546 | _aEnglish | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c30332 _d30332 |
||
| 005 | 20220125170205.0 | ||