000 00328nam a2200157Ia 4500
100 _aHarrison/Ae
650 _aElectrical Engineering
942 _cBK
654 _aTubes
245 _aKlystron Tubes
260 _bMcGraw Hill
_aNew York
_c1947
082 _a621.3
_bHar
300 _a271
546 _aENGLISH
999 _c29591
_d29591