000 00328nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a621.381
_bGRA
100 _aGray paul E. Seark
245 0 _aElectronic principloes physics models and circuits
260 _aLondon
_bJohn Wiley & sons
_c1969
300 _a1016
942 _2ddc
999 _c22709
_d22709