| 000 | 00391pam a2200145a 44500 | ||
|---|---|---|---|
| 040 | _aIIT, Kanpur | ||
| 082 |
_a621.384 _bW663t3 |
||
| 100 | _aWilliams, Emrys | ||
| 245 | 1 |
_aThermionic valve circuits _cEmrys Williams |
|
| 250 | _a3rd | ||
| 260 |
_aLondon _bSir Isaac Pitman & Sons _c1955 |
||
| 300 | _axi, 314p. | ||
| 650 | _aVacuum Tubes | ||
| 997 | _a5624 s C | ||
| 999 |
_c436913 _d436913 |
||