000 00307nam a2200121Ia 4500
008 160710s1955 xx 000 0 und d
082 _aRIC
100 _aRICH,CHARLES S.
245 _aELECTRICAL ENGINEERING
260 _bAMERICAN INSTITUTE OF ELECTRICAL ENGINEERS
_c1955
300 _a272
942 _2ddc
_cB
999 _c31290
_d31290