000 | 00427cam a2200157ua 4500 | ||
---|---|---|---|
041 |
_aeng _h |
||
082 |
_a621.3192 _bWIL/EL |
||
100 | _aWilliams, Enrys . | ||
245 |
_aElectric filter circuits: An introductory course / _cEmrys Williams. _hTextual Documents |
||
250 |
_a1 / _b. |
||
260 |
_aLondon : _bSir Isaac Pitman & Sons Ltd , _c1963. |
||
300 | _a163 ; . | ||
504 | _a | ||
942 | _cBK | ||
999 |
_c262943 _d262943 |