| 000 | 00348nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 220314s9999||||xx |||||||||||||| ||und|| | ||
| 080 | _a621.3841 | ||
| 100 | _aBlack, Edgar J, Ed. | ||
| 245 | 0 | _aRadio valves | |
| 260 |
_bPaperbacks _c1964 |
||
| 300 | _a130 | ||
| 650 | _aRadio engineering; Electronics engineering; Applied physics | ||
| 942 | _cBOOK | ||
| 999 |
_c16920 _d16920 |
||