000 00301nam a2200109Ia 4500
008 160710s1950 xx 000 0 und d
100 _aAMERICAN INST.OF ELECTRICAL ENGINEERING
245 _aTRANSACTION OF THE AMERICAN INST.OF ELECTRICAL ENGINEERS
260 _c1950
300 _a670
942 _2ddc
_cB
999 _c11609
_d11609