000 | 00311pam a2200133a 44500 | ||
---|---|---|---|
082 |
_a537.53 _bH26 |
||
100 | _aHarvey, Arthur Frank | ||
245 | 1 | _aHIGH FREQUENCY THERMIONIC TUBES | |
260 |
_aLondon _bChapman & Hall _c1946 |
||
300 | _a235 | ||
650 | _aVacuum-Tubes | ||
964 | _gCIRC | ||
997 | _a2264 C | ||
999 |
_c430495 _d430495 |