000 00366nam a2200121Ia 4500
008 240112s9999 xx 000 0 und d
082 _aPET-T
_b621.381
100 _aPeters, Leo James
245 0 _aTheory of thermionic vacuum tubes circuits
260 _a New York
_bMcGraw-Hill Book Company
_c1927
650 _aElectronics engineering; Applied physics
942 _cBK
999 _c48317
_d48317