| 000 | 00605nam a2200205zi 4500 | ||
|---|---|---|---|
| 005 | 20220221131131.0 | ||
| 008 | 970106s1948 a 000 0 eng d | ||
| 035 | _aMX001000065388 | ||
| 050 |
_aTK7872.V3 _bS6 |
||
| 100 |
_aSpangenberg, Karl Ralph, _eautor |
||
| 245 | 1 | 0 | _aVacuum tubes. |
| 264 | 1 |
_aNew York : _bMcGraw-Hill, _cc1948 |
|
| 300 | _a860 páginas | ||
| 490 | 0 | _aMcGraw-Hill electrical and electronic engineering series | |
| 650 | 4 | _aTubos de vacío | |
| 336 |
_atexto _2rdacontent |
||
| 337 |
_asin medio _2rdamedia |
||
| 338 |
_avolumen _2rdacarrier |
||
| 999 |
_c686 _d686 |
||