000 00282nam a2200121Ia 4500
008 220201s1958 xx 000 0 eng d
082 _bSEE
100 _aSeely , Samuel
245 0 _aElectron tube circuits
260 _aNew york
_bMcgraw hill
_c1958
300 _a695
942 _2ddc
999 _c14912
_d14912