000 00317nam a2200133Ia 4500
003 IN-KoSCC
008 211107s9999 000 0 eng
082 _a621.34-2
100 1 _aRodenhuis, E.
245 1 _aElectronic Valves in A.F. Amplifiers.
260 _c1954
653 _aEngineering Materials.
942 _cBK
999 _c31326
_d31326