000 00283nam a2200097Ia 4500
008 160710s1949 xx 000 0 und d
100 _aELECTRICAL ENGINEERING
245 _aELECTRICAL ENGINEERING,MAY,NO.5
260 _bAMERICAN INSTITUTE OF ELECTRICAL ENGINEERS
_c1949
942 _2ddc
_cB
999 _c40486
_d40486