| 000 | 00349nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a537.53 | ||
| 100 | _aChampeix,R. | ||
| 245 | _aPhysics and techniquecs of electron tubes. | ||
| 260 |
_aOxford _bPergamon _c1961 |
||
| 300 | _a221 | ||
| 650 | _aPhysics. | ||
| 653 | _aPhysics. | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c3861 _d3861 |
||