000 00251nam a2200109Ia 4500
008 160710s1948 xx 000 0 und d
100 _aARGUIMBAU,L.B
245 _aVACCUM TUBE CIRCUITS
260 _bJOHN WILEY
_c1948
300 _a668
942 _2ddc
_cB
999 _c10947
_d10947