000 00441nam a22001577a 4500
005 20250909164108.0
008 250909b |||||||| |||| 00| 0 eng d
041 _aeng
082 _a621.3815
_bALV/I
100 _aAlvarez,E.C.
245 _aIntroduction to Electron Tubes and Semiconductors
_c / by Alvarez E.C
260 _aNew York:
_bMcGraw-Hill Book Company,
_c1965.
300 _ax,294p.
700 _aFleckles,David E.
942 _cBK
999 _c41944
_d41944