| 000 | 00429cam a2200169ua 4500 | ||
|---|---|---|---|
| 020 | _c27.60 | ||
| 041 |
_aeng _h |
||
| 082 |
_a621.3815 _bWIL/TH |
||
| 100 | _aWilliams, Emrys . | ||
| 245 |
_aThermionic valve circuits / _cEmrys Willams. _hTextual Documents |
||
| 260 |
_aLondon : _bSir Isaac Pitman & Sons Ltd , _c1961. |
||
| 300 | _a427 ; . | ||
| 365 | _a27.60 | ||
| 504 | _a | ||
| 942 | _cBK | ||
| 999 |
_c261101 _d261101 |
||