| 000 | 00387pam a2200133a 44500 | ||
|---|---|---|---|
| 040 | _aIIT, Kanpur | ||
| 082 |
_a621.384 _bB385t |
||
| 100 | _aBeck, A. H. W. | ||
| 245 | 1 |
_aThermionic valves _btheir theory and design _cA. H. W. Beck |
|
| 260 |
_aCambridge _bThe Univresity Press _c1953 |
||
| 300 | _axvi, 570p | ||
| 650 | _aVacuum -- Tubes | ||
| 997 | _a855 s C | ||
| 999 |
_c436060 _d436060 |
||