000 00451nam a22001697a 4500
005 20260407103423.0
008 260407b |||||||| |||| 00| 0 eng d
020 _a000
041 _aeng
082 _a621.381
_bART/P
100 _aArtowski, J. W. Gew
245 _aPrinciples of Electron Tubes
_c/ by J. W. Gew Artowski
260 _aNew York:
_bD. Van Nostrand Company, Inc.;
_c1965.
300 _a655p.
700 _aWatson, H. A.
942 _cBK
999 _c45207
_d45207