| 000 | 00361nam a2200121Ia 4500 | ||
|---|---|---|---|
| 999 |
_c12351 _d12351 |
||
| 008 | 190711s9999 xx 000 0 und d | ||
| 082 | _a621.384152 T891 | ||
| 100 | _aTucker, D G | ||
| 245 | 0 |
_aModulators and Frequency-Changers _bfor Amplitude-Modulated Line and Radio Systems |
|
| 260 |
_aLondon _bMacdonald and Co. Ltd. _c1953 |
||
| 300 | _a22X14 | ||
| 942 | _cBK | ||