000 003730000a22001450004500
008 140223b1963 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aCT,31:94 K3
082 _aCT,31:94 K3
100 _aSIMS (G D)
700 _aSTEPHENSON (I M)
245 _aMicrowave tubes and semiconductor devices.
260 _aLondon
_bBlackie
_c1963
650 _aELECTRONICS
999 _c227952
_d227952