| 000 | 00431nam a22001697a 4500 | ||
|---|---|---|---|
| 999 |
_c21544 _d21544 |
||
| 005 | 20190831141624.0 | ||
| 008 | 190717b ||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 082 | _a621.384 R211s | ||
| 100 | _aRay, Cathode | ||
| 245 |
_aSecond thoughts on radio theory _cCathode Ray |
||
| 260 |
_aLondon _bWireless World Iliffe & Sons Ltd _c1956 |
||
| 300 | _a410p. | ||
| 650 | _aRadio | ||
| 650 | _aElectronics | ||
| 942 | _cBK | ||